Cheesy Bacon Waffle Sandwich Recipe

Ingredients

• 6 tablespoons unsalted butter
• 3 medium white onion (sliced thinly)
• 6 teaspoons sugar
• 3 tablespoons balsamic vinegar
• Salt (to taste)
• 6 strips bacon (cooked until brown and crisp)
• 6 tablespoons barbecue sauce
• 3 slices cheddar cheese
• 1 Cup milk
• 1 tablespoon Vinegar
• 2 large Egg
• 1/2 teaspoon vanilla extract
• 2 tablespoons unsalted butter (melted)
• 1 Cup all-purpose flour
• 3 tablespoons sugar
• 1/2 teaspoon Baking soda
• 1 teaspoon baking powder
• 1/4 teaspoon Salt