This is a good substitute for the packets in the store. To be sure this is gluten-free, use gluten-free oats and read the labels of the variations you use.
Instant Oatmeal Packets (Gluten-free, and Dairy-free if not using some of the variations below)
From: The Dollar Stretcher Family
3 cups quick oats
small sized zip bags
Put 1/2 cup oats in a blender and blend on high until powdery. Set aside in a small bowl, and repeat procedure with an additional 1/2 cup oats. If you're using a food processor, you can do the 1 cup of oats in one batch. Put the following ingredients into each zip bag: 1/4 cup quick oats, 2 Tbsp. powdered oats (or oat flour), and 1/8 tsp. salt. Store in an airtight container.
~ To serve: Empty packet into a bowl. Add 3/4 cup boiling water. Stir and let stand for 2 minutes. For thicker oatmeal, use less water - for thinner oatmeal, use more water. ~
Sweetened Oatmeal: To each packet add 1 Tbsp. sugar or 1 packet 'Equal' artificial sweetener.
Brown Sugar/Cinnamon Oatmeal: To each packet add 1 Tbsp. brown sugar & 1/4 tsp. cinnamon
Oatmeal w/ Raisins & Brown Sugar: To each packet add 1 Tbsp. packed brown sugar and 1 Tbsp. raisins.
Fruit and Cream Oatmeal: To each packet add 1 Tbsp. non-dairy coffee creamer and 2 Tbsp. dried fruit
Fun Fruit Oatmeal: To each packet add 6 or 7 pieces of 'fruit snack' type dehydrated fruit.
Confetti Oatmeal: To each packet add 1 tsp. decorative cake/cookie sprinkles.