Easy Weeknight Meal: Beef & Mushroom Lasagna Recipe

Ingredients

• 12 lasagna sheets
• 2 tablespoons oil
• 1 large white onion, finely chopped
• 2 medium carrots, finely chopped
• 500g mushrooms, sliced
• 500g ground beef
• 400g tomato puree
• 1 teaspoon dried oregano
• 1 teaspoon dried basil
• 1 teaspoon dried thyme
• Salt and pepper to taste
• 1/4 cup fresh parsley, chopped
• Béchamel Sauce:
• 4 cups milk
• 4 tablespoons flour
• 4 tablespoons butter
• 1/4 teaspoon ground nutmeg
• Assembly:
• 2 cups shredded mozzarella cheese