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Ingredients1 h servings 436
Original recipe yields 4 servings
- Preheat the oven to 350 degrees F (175 degrees C). Coat a baking sheet with oil.
- Combine ground sirloin, Worcestershire sauce, egg, bread crumbs, onion, salt, and pepper in a bowl. Mix well. Divide into golf ball-sized meatballs. Place on the prepared baking sheet.
- Bake in the preheated oven until meatballs are no longer pink in the center, about 15 minutes.
- Melt 2 tablespoons butter in a large skillet over medium heat. Add mushrooms; cook and stir until soft, about 10 minutes. Push mushrooms to the side of the pan.
- Melt remaining 2 tablespoons butter in the skillet; whisk in flour. Add broth and mustard; bring to a boil. Add meatballs and cook until some sauce is absorbed, 10 to 15 minutes. Remove from heat. Add sour cream and stir to combine.
Per Serving: 436 calories; 29 17.6 27.2 146 630 Full nutrition
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