Homemade Lasagna with Bechamel

Name: Homemade Lasagna with Bechamel
Prep time: 1 h
Cook time: 30 min
Total time: 1 h 30 min
Cuisine: Italian
Ingredients: 12 oz lasagna noodles ((12 sheets dry lasagna noodles)); 1 lb mozzarella cheese (shredded); 8 oz parmesan cheese (freshly grated); 3 tbsp olive oil; 6 cloves garlic (minced); 2 tbsp tomato paste ((See Note 1)); 1/2 cup dry red wine (optional); 1/2 tsp sugar; 1/2 tsp dried oregano; 1/2 tsp kosher salt; 1/4 tsp red pepper flakes; 28 oz crushed San Marzano tomatoes ((See Note 2)); 12 fresh basil leaves (finely chopped); 3 cups milk (any variety); 1/4 cup butter (or oil or fat drippings); 1/4 cup all-purpose flour; 1/8 tsp kosher salt; 1/8 tsp white pepper; 1 lb lean ground beef; 1 lb hot Italian sausages (casings removed); 1 tbsp olive oil; 1 tbsp fennel seeds; 1/2 tsp red pepper flakes; 1 large white onion (chopped); 1 marinara sauce ((entire batch of above recipe))