Keto Skillet Bread with Cheesy Caramelized Onion Dip

Name: Keto Skillet Bread with Cheesy Caramelized Onion Dip
Prep time: 35 min
Cook time: 25 min
Total time: 1 h
Cuisine: European, Mediterranean, American, Australian, British
Ingredients: 2 medium red onions, thinly sliced (200 g/ 7.1 oz); 2 tbsp avocado oil or ghee (30 ml); 2 tbsp balsamic vinegar (30 ml) - avoid extra sweet thick balsamic vinegar; pinch sea salt; 1 cup shredded mozzarella (113 g/ 4 oz); 5 tbsp grated Parmasen (25 g/ 0.9 oz); 1/4 sour cream (58 g/ 2 oz); 1/2 cup cream cheese (120 g/ 4.2 oz); 1/2 tsp garlic powder; 1/4 tsp sea salt; 1/8 tsp pepper; 3 cups shredded mozzarella (340 g/ 12 oz); 1/2 cup + 2 tbsp full-fat cream cheese (150 g/ 5.3 oz); 1 cup almond flour (100 g/ 3.5 oz); 2 tsp gluten-free baking powder; 2 large eggs; 1/2 tsp sea salt; Optional: 2 tsp xanthan gum for a wreath shape