Lasagna with Pesto Green Beans and Potatoes

5 from 4 votes
1 hour 15 minutes
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Lasagna with Pesto, Green Beans and Potatoes is the perfect way to use the rest of this year’s fresh basil.  If you froze pesto, make this anytime for a taste of summer all year long!

Photo of Lasagna with Pesto Green Beans and Potatoes on gray napkin garnished with fresh basil.

The inspiration behind this recipe:

With summer now over, I want to make sure I use every last leaf of basil in my herb garden.  I usually plant five or six plants and by mid to late summer, they become “shrubs.”

I made this Lasagna with Pesto, Green Beans and Potatoes with the last of our fresh basil.  My hubby and I have a wedding anniversary coming up and this lasagna reminds me of a trip we took to Spain and Italy for our tenth wedding anniversary.

When we visited Rome, we wanted to get away from the touristy-type restaurants in the piazzas.  We came upon a tiny place in an alley that looked like it was a local hangout.  It was a great choice!  I ordered a pesto lasagna similar to this one and practically licked my plate!

Ever since then, I’ve been obsessed with recreating that memorable lasagna made with a classic Italian trio:  Pesto, green beans and potatoes.  This is my version.  If you froze a lot of pesto as I did, it’s a great way to use it.

Photo of Lasagna with Pesto Green Beans and Potatoes in white baking dish garnished with fresh basil.

At least once during the summer, I do my annual “pesto project.”  This takes the better part of an afternoon.  There are a few steps you need to follow before packing the basil into the food processor.

How to prep basil for pesto:

  • Cut the plants back but leave some for future enjoyment, then immerse the stems in a full sink of water.  Dirt falls to the bottom and insects meet their demise.
  • Pick all the leaves off the stems.  This takes a lot of patience!  There are hundreds and hundreds!
  • Repeat the washing process then spin as much water off as possible in a salad spinner.  (Are salad spinners not the greatest kitchen gadget ever?)
  • Spread the leaves out on several clean kitchen towels and let them air dry for an hour or two before making pesto.  Basil has a tendency to hold onto water and you don’t want that water in your pesto.

Basic pesto recipe:

For a small batch of pesto, here’s a basic recipe:

  • Approximately 2 cups of packed fresh basil leaves
  • ½ cup freshly grated Parmesan cheese
  • Approximately ½ cup extra-virgin olive oil
  • ¼ cup lightly toasted pine nuts or walnuts
  • 3 cloves chopped garlic
  • salt and freshly ground black pepper to taste

Combine in a food processor and process until smooth. Or, follow my recipe for Pesto Genovese.

Photo of pesto in pint-sized Mason jar on white background.

Tips for freezing pesto:

  • When preparing pesto for the freezer, I don’t add cheese or garlic but rather do it when I want to use the pesto.  It gives it a slightly fresher taste, especially with freshly grated cheese.
  • Also, if you had any type of power outage and pesto with garlic thawed a little and was at an improper temperature, you could have a food safety issue on your hands.  Garlic in oil that is not properly stored can cause botulism.
  • Freeze in small containers for a taste of summer when the snow is flying!
  • Homemade pesto will turn a funky color; it’s just the nature of fresh basil.  You could try blanching it briefly, but the bright flavor will be diminished.
  • After thawing a container of pesto, scrape the oxidized portion off to reveal bright green pesto underneath.
Close-up photo of Lasagna with Pesto Green Beans and Potatoes in white baking dish.
Photo of Lasagna with Pesto Green Beans and Potatoes garnished with fresh basil on gray background with serving fork.

How to make Lasagna with Pesto, Green Beans and Potatoes:

  • Make the pesto.
  • Cook the potatoes and green beans then drain but save the hot water.  The lasagna I enjoyed in Rome was made with silky, fresh pasta sheets.  Make fresh pasta if you like, but to make my life easier, I used dried oven-ready lasagna noodles.
  • Pour it into a bowl or loaf pan to soak the noodles.  Top off with a little hot tap water if necessary.
  • You want to soak the dried lasagna noodles otherwise, they absorb too much of the sauce.
  • Remove them when pliable and blot dry on a clean kitchen towel or paper towels.
Photo of cooked green beans in wooden bowl.
  • Make the bechamel sauce and start layering!
  • This recipe is for only four servings, which makes it perfect for an intimate get-together or family dinner without leftovers.

Hope you enjoy and let’s eat!!

Photo of Lasagna with Pesto Green Beans and Potatoes cut into showing the layers of pasta, potatoes and green beans.

This lasagna made with my Radish Greens Pesto would also be amazing!

Here are more great Italian-inspired pasta dishes I think you’ll love!

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Lasagna with Pesto Green Beans and Potatoes

Lasagna with Pesto Green Beans and Potatoes

5 from 4 votes

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By: Carol | From A Chef’s Kitchen
Lasagna with Pesto, Green Beans and Potatoes is the perfect way to use the rest of this year’s fresh basil.  If you froze pesto, make this anytime for a taste of summer all year long!
Prep Time 30 minutes
Cook Time 45 minutes
Total Time 1 hour 15 minutes
Course Pizza and Pasta
Cuisine Italian
Servings 4
Calories 630 kcal

Ingredients
  

  • Cooking spray - or olive oil for baking dish
  • 3 small Yukon gold potatoes - cut into 1/2-inch dice (about 1 cup)
  • Salt
  • 1 handful green beans - trimmed, cut into ½-inch pieces (about ½ cup)
  • 6 flat no-boil lasagna noodles - such as Barilla
  • 2/3 cup pesto sauce
  • 1/2 cup ricotta cheese
  • 3 tablespoons butter
  • 3 tablespoons all-purpose flour
  • 2 cups whole milk
  • Dash of nutmeg
  • Freshly ground black pepper - to taste
  • 3/4 cup shredded Mozzarella cheese - or Provolone cheese
  • 1/2 cup freshly grated Parmesan cheese - or Romano cheese

Instructions
 

  • Preheat oven to 375 degrees. Brush or spray a small shallow baking dish with cooking spray. Set aside.
  • Fill a medium saucepan about half way with water; add the potatoes and 2 teaspoons salt. Bring to a boil and cook the potatoes about 5 to 8 minutes or until just starting to become tender.
  • Add the green beans and continue cooking another 5 minutes or until potatoes and beans are tender. Strain the potatoes and green beans, reserving hot cooking water in a bowl or pan.
  • Run cold tap water over the vegetables to cool; set aside. Place the lasagna noodles in the reserved cooking water to soften. Add additional hot tap water to cover if necessary. Move them around periodically to prevent them from sticking together as they soften. As soon as they are pliable, drain and pat dry with paper towels.
  • Whisk together pesto and ricotta cheese until smooth; set aside.
  • Make the béchamel: Melt butter in a saucepan over medium-high heat. Add the flour and cook 1-2 minutes, whisking constantly. Slowly stir in the milk, whisking constantly. Bring to a boil, reduce heat and simmer until thickened, whisking often. Add nutmeg and salt and pepper to taste.

To Assemble

  • Place a small amount of the béchamel in prepared baking dish (enough to cover the bottom) and 4 tablespoons pesto-ricotta mixture. Top with two of the noodles, arranging however they best fit the baking dish.
  • Cover with 1/3 of the béchamel, half of the remaining pesto-ricotta mixture and half of the green beans and potatoes. Sprinkle with 2-3 tbsp. of each of the cheeses.
  • Repeat layers again, finishing with remaining béchamel and remaining cheese.
  • Cover loosely with nonstick aluminum foil. Bake 30-35 minutes. Remove the foil and continue baking another 10-15 minutes or until bubbling and top is lightly browned. Let stand 5-8 minutes before serving.

Notes

MAKE AHEAD:  Lasagna can be assembled 1-2 days ahead of time.  Refrigerate until needed then bake as directed.
FREEZER-FRIENDLY:  Can be frozen baked or unbaked.  Thaw in the refrigerator then bake as directed if not already baked.
TO REHEAT:  Reheat in the microwave or in a 350-degree oven until heated through.

Nutrition

Serving: 1 | Calories: 630kcal | Carbohydrates: 60g | Protein: 26g | Fat: 32g | Saturated Fat: 13g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Cholesterol: 70mg | Sodium: 818mg | Potassium: 897mg | Fiber: 5g | Sugar: 11g | Vitamin A: 1601IU | Vitamin C: 28mg | Calcium: 560mg | Iron: 2mg

These are estimated values generated from a nutritional database using unbranded products. Please do your own research with the products you’re using if you have a serious health issue or are following a specific diet.

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8 Comments

  1. I can’t wait to make this! Went to Italy last year and was so disappointed with all of the food there except this which I had at the Starbucks reserve in Milan of all places! Yours sounds like it will be amazing as well!

    1. Hi, Stephanie, Thanks so much and hope you enjoy! I’ve been to Italy a few times and some of the food was not so memorable but some was pretty amazing! Thanks again!

  2. 5 stars
    Wow this is delicious!! Thank you!!

    I did a few things different and it still came out amazing. 1) I used lasagna sheets that needed to be boiled 2) I used 15 oz ricotta 3) I put 1 extra potato and slightly more green beans 4) I added some gruyere to my bechamel 5) I added 1 more garlic clove to my pesto. Flavors were fantastic!!

    1. Thanks, Jasmine! So glad you enjoyed! Lasagna is one of those things that you can play around with and make it your own. Thanks again and please stay in touch!

  3. Can this dish be made ahead of time and then frozen or refrigerated to be reheated a couple of days later?

    1. Hi, Elizabeth, Thanks for your question! Yes to both. The only thing is the pesto is going to turn dark, which it has a tendance to do anyway. If you don’t mind that, it will be fine. You could also use a kale or spinach pesto which would stay green. Thanks again and hope you enjoy!