Borscht Pancakes

Ingredients

• 1 cup plain fat-free yogurt
• 2 green onions, thinly sliced
• 2 large baking potatoes (1 lb. total), peeled, shredded and squeezed dry
• 1 medium-large beet (8 oz.), peeled and shredded
• 1 medium carrot, shredded
• 2 tbsp flour
• 1 tsp salt
• 1/2 tsp baking powder
• 2 large egg whites
• 4 tsp olive oil