Directions:

1. Heat oven to 350 F. In large nonstick skillet, heat butter over medium heat until hot. Add onions; cook 3 minutes, stirring frequently. Add mushrooms and garlic; cook 6 to 8 minutes or until mushrooms are tender, stirring occasionally. Remove from heat; cool 5 minutes.

2. In large bowl, combine ground beef, bread crumbs, egg, thyme, salt, pepper and mushroom mixture, mixing lightly but thoroughly. On rack in broiler pan, shape mixture into 8x4-inch loaf.

3. Bake in 350 F. oven 1 hour and 15 minutes to medium doneness (160 F) or until center is no longer pink.

4. Meanwhile prepare Pepper Gravy. In medium saucepan, heat butter over medium heat until hot. Add bell peppers; cook 5 minutes or until crisp-tender, stirring occasionally. Add gravy and thyme; heat through.

5. To serve, cut meatloaf in 1-inch thick slices; serve with Pepper Gravy.