Caramel Latte Crumble Mug Cake | Chefadora

Ingredients

• 4 tbsp all-purpose flour
• 2 tbsp sugar
• 0.25 tsp baking powder
• 1 pinch salt
• 2 tbsp strong brewed coffee
• 1 tbsp milk
• 1 tbsp oil
• 0.25 tsp vanilla extract
• 1 tsp caramel sauce
• 1 tbsp all-purpose flour
• 1 tbsp brown sugar
• 0.5 tbsp cold butter