Cheesy French Onion Soup Noodle Bowls - No Yolks

Ingredients

• 3 Tbsps butter, divided
• 6 medium onions, sliced
• 2 tsps brown sugar
• 3/4 tsp salt, divided
• 1/2 tsp ground black pepper
• 1 Tbsp fresh thyme, finely chopped
• 1 Tbsp all purpose flour
• 1 Tbsp tomato paste
• 1 cup dry white wine
• 2 bay leaves
• 6 cups low sodium beef broth
• 1 Tbsp apple cider vinegar
• 1 Tbsp fresh chives, finely chopped
• 6 oz No Yolks Dumplings
• 3 slices sourdough bread, toasted and sliced
• 3 cups shredded Gruyere cheese