Impossibly Easy Lasagna Pie

Ingredients

• 1/3 cup ricotta cheese or 1/3 cup cottage cheese
• 3 tablespoons grated parmesan cheese
• 1 lb lean ground beef
• 1 cup shredded mozzarella cheese
• 1/2 cup spaghetti sauce (jar or canned)
• 1/2 teaspoon salt
• 1/2 cup Bisquick baking mix
• 1 cup milk
• 2 eggs
• 1 cup spaghetti sauce, if desired (additional)