Nutty Breakfast Parfait

Ingredients

• 1 1/2 cups old-fashioned rolled oats
• 1/2 cup walnuts (coarsely chopped)
• 1/3 cup pure maple syrup (divided)
• 2 tsp butter
• 2 cups hulled strawberries (sliced)
• 2 cups peeled peaches (thinly sliced)
• 1 cup blueberries
• 1 cup kiwifruit ((about 3), cubed, peeled)
• 2 cups non-fat plain yogurt