Manicotti | Dinner Recipes | Umami

Ingredients

• 1 tbsp. olive oil
• 1 medium yellow onion, chopped
• 5 cloves garlic, finely chopped and divided
• 1 1/4 tsp. kosher salt, divided, plus more to taste
• 1 tsp. Italian seasoning, divided
• 3/4 tsp. ground black pepper, divided
• 1/4 tsp. red pepper flakes
• 1 lb. lean ground beef (90/10)
• 1 (28-oz.) can plus 1 (15-oz.) can crushed tomatoes
• 1/2 c. chopped fresh parsley, divided
• 1 (8-oz.) box manicotti shells (about 14)
• 1 (10-oz.) package frozen chopped spinach, thawed
• 1 (15-oz.) container whole milk ricotta cheese
• 1 c. whole milk small-curd cottage cheese
• 2 1/2 c. shredded low-moisture mozzarella, divided
• 1 large egg, lightly beaten
• 3/4 c. grated parmesan cheese, divided
• 1/8 tsp. ground nutmeg
• Nonstick cooking spray