Ingredients
- 1 large onion, cut into 2-inch pieces
- 1 large green bell pepper, cut into 2-inch pieces
- 2 large stalks celery, cut into 2-inch pieces
- 1 tablespoon extra-virgin olive oil or canola oil
- 5 tablespoons ketchup, divided
- 2 tablespoons Worcestershire sauce
- 1 tablespoon whole-grain mustard
- 2 teaspoons paprika
- 1 teaspoon garlic powder
- ½ teaspoon salt
- ¼ teaspoon freshly ground pepper
- 1 large egg, lightly beaten
- 3/4 cup dry whole-wheat breadcrumbs (see Tip)
- 2 pounds lean (90% or leaner) ground beef
Personal Notes
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