01 -
In a large bowl, combine 1 1/2 lbs lean ground beef, 1 large egg, 1/2 cup panko breadcrumbs, 1 tbsp Worcestershire sauce, 1/2 tsp dried thyme, salt, and black pepper. Mix gently until just combined. Form into 18-20 meatballs for your Tender Slow Cooker Salisbury Steak Meatballs.
02 -
Heat 1 tbsp olive oil in a large skillet over medium-high heat. Sear the meatballs in batches until browned on all sides, about 2-3 minutes per side. Transfer the browned meatballs to the slow cooker insert.
03 -
In the same skillet, add 1 cup finely diced yellow onion and 8 oz sliced cremini mushrooms. Sauté until softened, about 5-7 minutes. Add 4 cloves minced garlic and 1 tsp tomato paste, cooking for 1 minute more until fragrant.
04 -
Stir in 1 tbsp Dijon mustard and 2 tbsp all-purpose flour, cooking for 1 minute. Gradually whisk in 2 cups low sodium beef broth until smooth. Bring to a gentle simmer, scraping up any browned bits from the pan.
05 -
Pour the gravy mixture over the meatballs in the slow cooker. Cover and cook on low for 4 hours (or high for 2 hours) until the meatballs are tender and cooked through. This ensures truly Tender Slow Cooker Salisbury Steak Meatballs.
06 -
In a small bowl, whisk together 2 tbsp cornstarch and 2 tbsp cold water to create a slurry. Stir the slurry and 1/4 cup heavy cream into the slow cooker. Cook on high for an additional 15-20 minutes, or until the gravy for your Tender Slow Cooker Salisbury Steak Meatballs has thickened.
07 -
Stir in 1/4 cup fresh chopped parsley. Taste and adjust seasoning as needed. Serve your delicious Tender Slow Cooker Salisbury Steak Meatballs hot over mashed potatoes or egg noodles.