The Best Homemade Lasagna

INGREDIENTS

1 lb

ground beef (OR sausage OR a combination of both)

medium onion (chopped fine)

garlic cloves (minced)

2 tsp

dried basil

1 tsp

dried oregano

1 pinch

red pepper flakes

28 oz

crushed tomatoes (1 large can)

15 oz

whole tomatoes (1 can, see note)

6 oz

tomato paste (1 small can)

6 oz

water (fill up the tomato paste can)

1/4 cup

cream

15 oz

ricotta cheese

1 cup

parmesan cheese

large egg

3/4 cup

spinach (frozen or fresh, chopped)

1 tsp

salt

1/2 tsp

pepper

package regular lasagna noodles (see note)

3 cups

mozzarella cheese (shredded)

2 tbsp

fresh parsley (chopped, optional)