Combine oats, puffed rice, quinoa, Uncle Sam's cereal, and wheat flour together. Melt butter, add vanilla, honey, maple flavoring, sweet mix, water and Stevia. Heat until everything is dissolved. Beat egg whites until frothy. Stir int hot lliquid. Pour over grain mixture and toss well. Bake at 350 degrees for 1 hour, stirring every 15 minutes. Cool. Store in air-tight container. 14 servings.