1/2-LB. GROUND BEEF,1 MED. ONION,CHOPPED,1/2C.SOUR CREAM,1/3C. SALAD DRESSING,1/2C. SHREDDED CHEDDAR CHEESE, 1C. BISCUIT MIX( LITTLE MORE), 1/4C.COLD WATER, 1-2 TOMATOES,SLICED.1/2C. CHOPPED GREEN PEPPER. BROWN BEEF,AND ONION, MIX SOURCREAM,SALAD DRESSING AND CHEESE. COMBINE BISCUIT MIX AND WATER AND PUT INTO  PAN. LAYER IN BEEF AND ONIONS. CAREFULLY PUT TOMATOES AND GREEN PEPPERS ON TOP. SPOON SOUR CREAM MIXTURE OVER ALL. BAKE IN 8X8X2 PAN AT 350 FOR 30-40 MINS. TEST DOUGH FOR DONENESS.