Prepare Pan: Grease an 8 1/2 x 4 1/2 x 2 1/2-inch bread loaf pan and set aside.
Melt Ice Cream: Stir the ice cream until mostly melted and smooth.
Mix Ingredients: In a large bowl, combine the softened ice cream and self-rising flour. Do not overmix.
Pour Batter: Pour the batter into the prepared bread loaf pan.
Add Toppings: Top with multicolored sprinkles if desired.
Bake: Bake for 40-45 minutes or until a toothpick inserted in the center comes out clean.
Cool and Serve: Cool in the pan on a wire rack for 5 minutes, then remove from the pan and allow to cool completely on the wire rack. Enjoy warm or at room temperature.