Simple Pancakes

Name: Simple Pancakes
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Ingredients: 1 cup all purpose flour; 2 tsp baking powder; 1 tbsp sugar; 1/2 tsp salt; 1 large egg; 3/4 cup milk; 1 tsp vanilla extract; 1/4 cup melted butter