Sour Cream Biscuits

Bisquick, sour cream, 7-up and butter!.... These are excellent!!!! So easy and soooo good! Recipe is hard to find so here it is:
7 Up Biscuits
4 cups Bisquick
1... cup sour cream
1 cup 7-up
1/2 cup melted butter

Mix bisquick, sour cream and 7 up. Dough will be very soft - don't worry Knead and fold dough until coated with your baking mix. Pat dough out and cut biscuits using a round biscuit / cookie cutter. Melt butter in bottom of cookie sheet pan or 9x13 casserole dish. Place biscuits on top of melted butter and bake for 12-15 minutes or until brown at 425 degrees,