Butternut Squash Skillet Bread

Ingredients

• 1 butternut squash (about 1-3/4 lbs / 875 g), peeled, seeded, cut into large chunks
• 1/2 cup (125 mL) flour
• 1/2 cup (125 mL) yellow cornmeal
• 2 tbsp (30 mL) sugar
• 2-1/2 tsp (12 mL) baking powder
• 1-1/2 tsp (7 mL) chili powder
• 3/4 tsp (3 mL) salt
• 1/2 tsp (2 mL) baking soda
• 4 scallions, thinly sliced
• 1/2 cup (125 mL) plain low-fat yogurt
• 1/4 cup (60 mL) fat-free milk
• 2 tbsp (30 mL) extra-light olive oil
• 2 large egg whites