- 2 tablespoons olive oil
- 1 medium onion, diced
- 1 pound lean ground beef
- 3 cloves garlic, minced
- 2 teaspoons dried basil
- 1 teaspoon dried oregano
- 1/2 teaspoon dried thyme
- Pinch of red pepper flakes
- 2 bay leaves
- 3 tablespoons tomato paste
- 1 28–ounce can crushed tomatoes
- 4 cups beef broth or chicken broth
- 8–12 lasagna noodles, broken into pieces
- A few big handfuls of spinach
- Kosher salt and black pepper
For the ricotta-mozzarella topping:
- 1 cup shredded mozzarella cheese
- 1/2 cup ricotta cheese
- 1/2 cup shredded Parmesan cheese
- 1/4 cup thinly sliced fresh basil leaves, optional
- Kosher salt and black pepper