Amy's Fresh Fruit Cobbler

Ingredients

• 2 cups fresh or frozen fruit
• 1-2 tsp lemon juice (optional)
• 3 Tbsp melted margarine or canola oil
• 1 1/4 cups sugar, divided
• 1/3 cup rice flour
• 1/3 cup potato starch
• 1/3 cup tapioca flour
• 1 tsp baking powder
• 1/2 cup milk or dairy-free milk substitute
• 1 cup very hot water
• 1 Tbsp sweet rice flour or cornstarch
• 1 tsp xanthan gum