Sweet potato (cooked and mashed): 150g (2/3 cup), Whole wheat flour: 60g (1/2 cup), Eggs: 100g (2 large), Milk (low-fat): 60ml (1/4 cup), Cinnamon: 3g (1.5 tsp), Nutmeg: 1g (1/4 tsp), Vanilla extract: 5ml (1 tsp), Baking powder: 4g (1 tsp), Salt: 1g (pinch), Olive oil: 10ml (2 tsp, for cooking), Pecans (chopped): 15g (1 tbsp), Greek yogurt (low-fat): 30g (2 tbsp), Maple syrup: 10g (2 tsp, optional)