French Onion Chicken Meatballs

Name: French Onion Chicken Meatballs
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: American
Ingredients: 1 egg; 5 garlic cloves, minced; 1 teaspoon salt; 1 teaspoon pepper; 1/3 cup almond meal for gluten free version (or bread crumbs if preferred); 1/3 cup grated Parmesan cheese; 1/3 cup parsley, finely chopped; 1 medium onion, finely chopped; 1 pound 93% lean ground chicken; 2 tablespoons butter; 2 tablespoons olive oil; 2 large yellow onions, thinly sliced; 4 large garlic cloves, minced; 1 1/2 cups beef broth; 1 tablespoon fresh thyme; 1 teaspoon onion powder; 1 teaspoon ground black pepper; 4 ounces shredded Gruyère cheese (see Note about cheeses below); 6 ounces shredded Havarti cheese (see Note about shredding the Havarti, below)