Chocolate Frosted Cookies - Recipe Tweets

Ingredients

• 1/2 cup unsalted butter, softened
• 1 Tablespoon vegetable oil, avocado oil, or olive oil
• 1/2 cup granulated sugar
• 1/2 cup packed light brown sugar
• 1 large egg, at room temperature
• 1 teaspoon pure vanilla extract
• 1 1/4 cups all-purpose flour
• 1/2 cup unsweetened cocoa powder
• 1 teaspoon baking soda
• 1/8 teaspoon salt
• 2 cups confectioners' sugar
• 3 Tablespoons heavy cream or milk
• pinch of salt
• 1/4 cup sprinkles