Cheeseburger Muffins

Ingredients

• 2 teaspoons double-acting baking powder 
• 0.5 cup butter melted
• 2  eggs beaten
• 2.5 cups flour all-purpose
• 1 pound ground beef 
• 0.8 cup catsup 
• 0.8 cup milk 
• 1 small onion chopped
• 1 teaspoon salt 
• 2 cups cheddar cheese shredded
• 1 tablespoon sugar white
• 1 teaspoon mustard yellow prepared

Equipment

• bowl
• frying pan
• oven
• wire rack
• toothpicks
• muffin liners

Directions

1. Preheat oven to 425 degrees F (220 degrees C). Line 24 muffin cups with paper cups and lightly coat with cooking spray.
2. Heat a large skillet over medium-high heat. Cook and stir beef and onion in the hot skillet until the beef is completely browned and crumbly, 5 to 7 minutes; drain and discard grease.
3. Mix flour, sugar, baking powder, and salt together in a large bowl. Stir ketchup, milk, butter, eggs, and mustard together in a separate bowl; add to flour mixture and stir until pink in color.
4. Mix ground beef mixture into the flour mixture; spoon into prepared muffin cups to completely filled.
5. Bake in the preheated oven until a toothpick inserted into the center comes out clean, 30 to 40 minutes. Cool in the pans for 10 minutes before removing to cool completely on a wire rack.