Ricotta Cheese Chocolate Chip Muffins

Bahan-bahan (12 porsi)

• 2 cups tepung kue self-rising (Presto)
• 1/2 tsp soda kue
• 3 tablespoons unsalted butter or 1/4 cup I Can't Believe It's Not Butter Light
• 3/4 cup gula
• 3 large egg whites
• 8 oz fat free ricotta cheese
• 1/2 tbsp vanila
• 9 tbsp mini semi-sweet chocolate chip morsels