While the pasta is cooking, add ricotta, 1 cup of mozzarella, Parmesan, spinach, egg, garlic, 1 tablespoon parsley, basil and all seasonings to a large bowl. Mix until combined. Set aside.
1 tub (15 oz.) ricotta cheese, 8 oz. (2 cups) grated mozzarella cheese, 1 cup grated Parmesan cheese, 5 oz. frozen, chopped spinach, 1 large egg, 4 cloves garlic, minced, 2 tbsps. chopped parsley, 2 tsps. Italian seasoning, 1/2 tsp. garlic powder, 1/2 tsp. onion powder, 1/4 tsp. red pepper flakes, 1/4 tsp. kosher salt, 1/4 tsp. black pepper, 1 tbsp. chopped fresh basil