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Weeknight Spinach Lasagna

Active Time: 15 minutes
Total Time: 45 minutes
  • Vegetarian
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Why we love it:

Lasagna can be a weeknight meal! I’ve taken steps to make this easy to assemble but still deliver on the cozy, layered flavor you expect from a lasagna. It’s also super adaptable so check out the Substitutions section for ideas!

Ingredients

  • 2 packages Frozen Chopped Spinach (ideally thawed)
  • 2 teaspoons Kosher Salt (divided)
  • 1 28-ounce can Crushed Tomatoes
  • 1 teaspoon Dried Oregano
  • 1 teaspoon Garlic Powder
  • 14 teaspoon Red Pepper Flakes
  • 15 ounces Ricotta Cheese
  • 6 ounces Mozzarella (shredded) (divided)
  • 1 Egg
  • 14 teaspoon Nutmeg (freshly grated)
  • 1 Lemon (zest)
  • 1 package No-Boil Lasagna Noodles

Cooking Instructions

  • 1. PREHEAT OVEN TO 350 DEGREES
  • 2. SPINACH

    Defrost spinach as much as possible, if needed run under warm water in a colander. Squeeze out the water and place in a bowl. Toss with a pinch of salt.

  • 3. SAUCE

    To the can of tomatoes, add the oregano, garlic powder, red pepper flakes, about ½ of the salt (1 teaspoon or so), and a ½ cup of water. Taste the sauce, you might prefer another ½ teaspoon or so of salt.

  • 4. CHEESE

    Meanwhile, in a small bowl stir together the ricotta, ⅔ of the total mozzarella, the egg, nutmeg, and zest in the lemon. Add a pinch of salt. Stir to combine.

  • 5. ASSEMBLE

    *The no-boil noodles will expand in the pan as they bake so it’s ok to leave about a ½” border around the edge without noodles and to have other gaps here and there. Don’t overthink it!*

    Using an 8 x 8 or 9 x 13-inch pan, layer the lasagna. Start with a thin layer of sauce. Then layer the noodles, more sauce, ½ of the ricotta mixture, and ½ of the spinach. Add another layer of noodles, the rest of the spinach, the rest of the ricotta, and all but about a ½ cup of sauce. Top with noodles. Spread the reserved sauce over top of the noodles and sprinkle on the rest of the shredded mozzarella cheese.

  • 6. BAKE

    Cover with foil and place in the oven for about 20 minutes.

    Remove foil and bake for another 15 - 20 minutes or until the noodles are tender and the cheese is bubbly and browned.

  • 7. SERVING

    Ideally, let it cool for about 5 - 10 minutes before slicing and serving.

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Substitutions

  • GLUTEN FREE:
    I’m not sure GF lasagna noodles are widely available, but you could use any large GF pasta and toss the cooked pasta together with the spinach and sauce. Dot with cheese and bake in a casserole dish. Would be good with another vegetable folded in too, like broccolini, butternut squash, brussels, or frozen spinach
  • DAIRY FREE:
    dairy free ricotta exists and is good! Omit mozzarella and top it with parsley or just keep the sauce on top
  • NOODLES:
    you can use the noodles you have to boil first. Just follow package instructions and assemble and bake in the same way
  • VEGGIES:
    add sauteed mushrooms, onions, kale, or try frozen spinach. You can add sauteed finely chopped cauliflower or squash. You can add a layer of spaghetti squash. Olives or a layer of roasted red peppers would be very delicious
  • KIDS CORNER:
    if your kids won’t eat lasagna you could try using regular boil noodles and lay a few flat on a work surface, fill with cheese and roll up. Place in a casserole dish and cover with sauce for lasagna rolls. The shape helps (oh, kids). Or just serve a few plain noodles, sauce and/or veggies on the side. My kids will eat the components but not the assembled lasagna

Prep Ahead & Use It Up

  1. Defrost the spinach in fridge at least overnight
  2. You can mix up the sauce
  3. Mix up the ricotta mixture
  4. Or you can decide to assemble the entire lasagna and bake it off,                                                      or store overnight in the fridge before baking, then reheat to serve
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