Baked Shells with Beef, Sundried Tomatoes & Spinach Recipe

INGREDIENTS

• 8 oz. large pasta shells
• Filling:
• 2 tsp olive oil
• 1 small yellow onion, chopped
• 2 cloves garlic, minced
• 1 lb lean ground beef
• 1 1/2 cups (packed) roughly chopped fresh spinach
• 1/2 cup sundried tomatoes, chopped
• 12 oz. low-fat cottage cheese
• 1/2 tsp dried chile flakes
• 1/3 cup thinly sliced fresh basil
• 1/2 tsp kosher salt (to taste)
• 1/2 tsp freshly ground black pepper
• 2 3/4 cups tomato sauce
• 1/2 cup finely grated Parmesan cheese