French Onion Meatballs (Print Version)
# Ingredients:
01 -
2 pounds yellow onions (about 2 large or 4 medium).
02 -
1 small bunch fresh thyme.
03 -
2 cloves garlic, minced.
04 -
6 ounces Gruyère cheese, grated.
05 -
1/2 cup panko breadcrumbs.
06 -
1/2 cup whole or 2% milk.
07 -
1 large egg.
08 -
2 teaspoons Worcestershire sauce.
09 -
2 1/2 teaspoons kosher salt.
10 -
3/4 teaspoon black pepper.
11 -
1 1/2 pounds ground beef.
12 -
2 tablespoons unsalted butter.
13 -
2 tablespoons all-purpose flour.
14 -
1/2 cup dry white wine.
15 -
14.5 ounces beef broth.
16 -
1 teaspoon balsamic or sherry vinegar.
# Instructions:
01 -
Set racks in middle and upper positions. Heat oven to 400°F. Line baking sheet with parchment.
02 -
Mix garlic, thyme, cheese, breadcrumbs, milk, egg, Worcestershire and seasonings. Add beef and mix gently. Form into 32-34 meatballs.
03 -
Place on lined sheet. Bake 15-20 minutes until cooked through (165°F internal temp).
04 -
Cook sliced onions with thyme and seasonings in butter until deep golden, about 30 minutes. Add flour, then wine. Cook until wine evaporates.
05 -
Add broth and simmer until thickened. Add vinegar and adjust seasonings.
06 -
Add meatballs to sauce, top with cheese, and broil 3-4 minutes until bubbly. Garnish with thyme.
# Notes:
01 -
Handle meat gently when mixing for tender meatballs.
02 -
Serve with crusty bread for sauce.