Try this homemade Spaghetti Squash Casserole In The Shell recipe the whole family will love. Made with ground beef, onion, bell pepper and clove garlic.…
This Spaghetti Squash Casserole In The Shell relies on simple, everyday ingredients such as lean ground beef, finely chopped onion, minced bell pepper and garlic, minced. It comes together quickly and makes 4 servings, at about 356 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026