How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Spinach Lasagna?

You need 17 ingredients. The key ingredients include: 1 Tbsp. plus 1 tsp. margarine, 3 c. thinly sliced mushrooms, 1 Tbsp. plus 1 tsp. olive oil, 1 c. chopped onions, and more.

Is Spinach Lasagna suitable as pasta & noodles?

Yes, Spinach Lasagna falls under the Pasta & Noodles category and is a great choice for this type of meal.

How do I store leftover Spinach Lasagna?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Spinach Lasagna Recipe

Name: Spinach Lasagna
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 Tbsp. plus 1 tsp. margarine; 3 c. thinly sliced mushrooms; 1 Tbsp. plus 1 tsp. olive oil; 1 c. chopped onions; 6 garlic cloves, minced; 1 1/2 c. tomato sauce; 1 1/2 tsp. salt, divided; 1 c. canned Italian tomatoes, drained and diced (reserve liquid); 1 tsp. oregano leaves; 1 tsp. basil leaves; 1/2 tsp. pepper, divided; 1 bay leaf; 2 pkg. (10 oz. each) frozen chopped spinach, thawed and drained; 2 c. part-skim Ricotta cheese; 1 egg, beaten; 8 oz. lasagna, cooked; 11 oz. shredded Monterey Jack cheese

Try this homemade Spinach Lasagna recipe the whole family will love. Made with margarine, mushrooms, olive oil and onions. Easy step-by-step instruction…

This Spinach Lasagna relies on simple, everyday ingredients such as plus 1 tsp. margarine, thinly sliced mushrooms, plus 1 tsp. olive oil and chopped onions. It comes together quickly and makes 4 servings, at about 932 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Pasta & Noodles

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Spinach Lasagna

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions