POSITION rack in top third of oven.

PREHEAT oven to broil. PLACE jalapeños on small baking sheet. BROIL for about 5 minutes, turning occasionally. TRANSFER to a small bowl and COVER with plastic wrap. Let STAND for 5 minutes and PEEL skin. CHOP jalapeños coarsely into small pieces. (REMOVE seeds for less heat.) SET aside.

WHISK together whipping cream, eggs, salt and pepper in a bowl.

HEAT oil in a nonstick ovenproof sauté pan set over medium-high heat. COOK sausages for 4 to 6 minutes or until browned, breaking up meat with spoon. TRANSFER sausages to a plate and SET aside.

REDUCE heat to medium and using same pan cook onion for 4 to 6 minutes or until lightly caramelized. RETURN jalapeños and sausages to pan and STIR to combine. POUR egg mixture into pan and cook for about 3 minutes or until frittata is almost set but top is still runny.

TRANSFER pan to oven and BROIL for about 3 minutes or until lightly puffed and cheese is golden brown. TURN oven off and let stand in oven for 5 minutes.

ARRANGE biscuits on a baking sheet lined with parchment paper and PLACE in 300°oven to warm through, about 5 minutes. LOOSEN frittata from pan and INVERT onto cutting board and CUT into 16 pieces. PLACE frittata and green tomato slices in biscuits.