French onion soup meatballs (ingredients description)#foodshorts #viral

INGREDIENTS:
for the onions:
1 tablespoon olive oil or avocado oil
2 large sweet white onions, thinly sliced
3 cloves garlic, thinly sliced
2 bay leaves
1 teaspoon thyme leaves
1/3 cup dry white wine
2 tablespoons unsalted butter

for the meatballs:
1 lb ground grass-fed beef
1 large egg
1/2 cup almond flour (or gf breadcrumbs)
sea salt and black pepper to taste

for the sauce:
1 tablespoon gluten-free flour (or sub regular flour if not gluten-free)
2 cups chicken broth
1 teaspoon dijon mustard
1 teaspoon Worcestershire
6 ounces gruyere cheese