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Spinach and Zucchini Lasagna

This Spinach and Zucchini Lasagna is vegetarian, low-carb and gluten-free. It is made with tomato sauce, skinny ricotta and mozzarella and zucchini noodles.

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Why it works: Garlic and spinach are a kitchen classic. They rank in the top 3% of all ingredient pairs, and 2,433 recipes mention both. Both carry 1-hexanol, which smells resin, flower. The science ↓

The recipe

Serves 9
Prep15 min
Cook1 hr

Ingredients

Contains: egg, milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)

Directions

Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.

  1. Heat the olive oil in a large saucepan over medium heat. Add the chopped onion and cook 5 minutes until soft, then stir in the crushed garlic for 1 minute.

  2. Stir in the tomato paste for 1 minute, then add the crushed tomatoes with their juice (or the peeled, seeded, diced fresh tomatoes). Season with salt and pepper to taste and simmer uncovered over low heat for 20 minutes.

  3. Stir half of the chopped fresh basil into the sauce and remove from the heat.

  4. Put the spinach in a pan with a splash of water and cook over medium heat until wilted, about 2 minutes. Drain, squeeze out excess liquid, and chop finely.

  5. Preheat the oven to 375°F (190°C). In a bowl, mix the ricotta, half of the grated Parmesan, the eggs, the spinach, the remaining basil, and a pinch of salt and pepper.

  6. Spread a thin layer of sauce over the bottom of a 9x13-inch (23x33 cm) baking dish. Arrange a single layer of zucchini slices over the sauce.

  7. Spread a third of the ricotta mixture over the zucchini, then add another layer of zucchini and a third of the sauce. Repeat twice more, finishing with sauce on top.

  8. Cover the dish with foil and bake for 35 minutes. Uncover, sprinkle with the remaining Parmesan, and bake 10 more minutes until the center reaches 160°F (71°C) and the top is lightly browned.

  9. Let the lasagna rest for 15 minutes before cutting into 9 pieces.

By tastykitchen. Recipe from Open Recipes.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.

  1. Garlic + spinachtop 3% of all pairs
    Aroma overlapmoderate
    Mentioned together2,433 recipes

    Shared aroma: 1-hexanol (resin, flower).

  2. Olive + tomatotop 1% of all pairs
    Aroma overlapstrong
    Mentioned together14,164 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  3. Onion + garlictop 1% of all pairs
    Aroma overlapstrong
    Mentioned together29,030 recipes

    Shared aroma: furaneol (caramel, strawberry).

  4. Tomato + basiltop 2% of all pairs
    Aroma overlapstrong
    Mentioned together3,979 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  5. Garlic + tomatotop 2% of all pairs
    Aroma overlapmoderate
    Mentioned together14,075 recipes

    Shared aroma: furaneol (caramel, strawberry).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

Flavor stand-ins for the onion

How well each one fits the dish's main ingredients (olive, garlic, tomato, pepper, basil, spinach, parmesan cheese):

  1. Capsicumbetter flavor fit
  2. Eggplantbetter flavor fit
  3. Broccolibetter flavor fit
  4. Onionthe original

Fit is the average pairing score against olive, garlic, tomato, pepper, basil, spinach, parmesan cheese. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).