The Adaptable Muffin

INGREDIENTS

• 4 cup all purpose flour
• ½ cup sugar
• ½ cup brown sugar
• 1 teaspoon salt
• 1 teaspoon baking soda
• 1 teaspoon baking powder
• 4 none eggs
• 1¾ cup sour cream
• ¼ cup heavy cream
• 1 cup oil
• 2 teaspoon vanilla or almond extract
• 3-4 cup mixing ingredient, ie fruit, chocolate chips, etc
• Topping:
• ¼ cup sugar
• ¼ cup brown sugar
• 1 cup flour
• 5 tablespoon butter