Easy Red Meaty Lasagna | Girls Just Wanna Eat | Umami

Ingredients

• 9 lasagna noodles
• 1 Tbsp olive oil
• 1 lb ground beef or sausage
• 1 onion, diced
• Salt and black pepper (to taste)
• Few handfuls spinach leaves
• 1 28-oz can crushed tomatoes
• 1 Tbsp Italian seasoning
• 1 15-oz package ricotta or cottage cheese
• 3 1/2 cups shredded mozzarella cheese
• 1/4 cup grated Parmesan