Preheat oven to 425

Place butter in a 9×13 baking pan and put in the oven until melted

Meanwhile measure 4 cups of baking mix (I use pioneer bit bisquick and other baking mixes work as well)

Fold in sour cream and then add the 7 up. It will be very wet.

Flour your work area and knead the mixture.

Pat it out and cut biscuits. Place onto of melted butter.

Bake for 15 to 20 minutes