Vegetarian Crepe Lasagna

Ingredients

• 1 tablespoon vegetable oil
• 1 red bell pepper, cut into large pieces
• 1 yellow bell pepper, cut into large pieces
• ½ zucchini, cut into small chunks
• 5 mushrooms, cut into quarters
• 3 eggplants slices, cut into cubes
• salt
• pepper
• ⅔ cup tomato sauce
• 2 garlic cloves
• 4 rosemary leaves
• 4 store-bought crepes
• 3.5 ounces of cheddar cheese, shredded
• For the bechamel sauce:
• 1.75 ounces of butter
• 1.75 ounces of flour
• 1 ½ cups of milk
• ½ teaspoon nutmeg