01 -
Preheat oven to 375°F. Heat 2 tbsp olive oil in a large skillet over medium heat. Add 1 large yellow onion, diced, and 2 medium bell peppers, diced; cook until softened, about 5-7 minutes. Stir in 4 cloves garlic, minced, and cook for 1 minute more.
02 -
Add 2 medium zucchini, thinly sliced, and 8 oz cremini mushrooms, sliced, to the skillet. Cook until tender, about 8-10 minutes. Stir in 10 oz fresh spinach until wilted. Season with 1 tsp dried oregano, salt, and black pepper to taste. This vibrant filling is key for your Vegetable Lasagna with Creamy White Sauce.
03 -
In a separate saucepan, melt 1/2 cup unsalted butter over medium heat. Whisk in 1/2 cup all-purpose flour and cook for 1-2 minutes to form a roux. Gradually whisk in 4 cups whole milk until smooth. Bring to a simmer, stirring constantly, until thickened. Season with 1/4 tsp freshly grated nutmeg and 1 tsp salt.
04 -
If using regular lasagna noodles, cook 12-15 sheets al dente according to package directions; drain and rinse. In a bowl, combine 15 oz part-skim ricotta cheese with 1 cup freshly grated Parmesan cheese. This creamy mixture adds richness to your Vegetable Lasagna with Creamy White Sauce.
05 -
Spread a thin layer of béchamel sauce on the bottom of a 9x13 inch baking dish. Arrange a layer of lasagna noodles, then half of the ricotta mixture, half of the vegetable filling, and a generous layer of béchamel. Sprinkle with 1 cup shredded part-skim mozzarella cheese. Repeat layers.
06 -
Top the second layer with remaining noodles, béchamel, and the remaining 1 cup shredded part-skim mozzarella cheese. Cover the dish with foil and bake for 30 minutes. Uncover and bake for another 15 minutes, or until bubbly and golden brown. This ensures a perfectly cooked Vegetable Lasagna with Creamy White Sauce.
07 -
Remove the Vegetable Lasagna with Creamy White Sauce from the oven and let it rest for 10-15 minutes before slicing. This allows the layers to set, preventing it from falling apart. Garnish with fresh basil for a beautiful finish.