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mason jars with homemade oatmeal on a white table
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4.58 from 21 votes

Instant Oatmeal

In just a few minutes, you can make enough homemade instant oatmeal for the entire week. Add chia and ground flax seeds for texture and flavor, then customize with your favorite mix-ins.
This recipe makes 10 servings (about ¾ cup each that can be divided between 8 oz jars).
Prep Time15 minutes
Total Time15 minutes
Course: Breakfast
Keyword: breakfast, easy breakfast recipe, homemade oatmeal, make ahead, make with kids, oatmeal
Servings: 10 servings
Author: Jess Smith via Inquiring Chef
Cost: $4.00


  • Mixing Bowl
  • 8-ounce Mason Jars


  • 16 ounces quick-cook or "1-minute" oats (see note)
  • 1/2 cup brown sugar (1 cup = 100 grams)
  • 1/4 cup chia seeds
  • 1/4 cup ground flax seeds
  • mix-ins of choice (see notes for ideas)


  • Combine the oats, sugar, chia seeds, and ground flax in a large mixing bowl. Stir until evenly mixed (this is easiest to do with clean hands).
  • Transfer the oat mixture to a large sealed container (you can often put it right back into the container the oats came in) or divide it between jars.
  • Add any dry mix-ins on top if you’d like.
  • To prepare: Pour hot water or warm milk over oats until completely covered. Let sit for 2 minutes. Stir well and serve!


Look for Quick-Cook (1-minute) Oats in the cereal aisle. These are ground into small pieces and will cook quickly with the addition of hot water. If you can’t find these, you can substitute 16 oz of “Rolled Oats” or “Old-Fashioned Oats” and then pulse them in a blender or food processor until they are roughly half of their original size.
For dry mix-ins, try:
    • Dried / Dehydrated Berries
    • Dried / Dehydrated Apples
    • Ground Cinnamon
    • Peanut Butter Powder  
    • Mini Chocolate Chips
    • Cocoa Powder
    • Dried Coconut Flakes
    • Goji Berries
    • Cacao Nibs


Calories: 115kcal | Carbohydrates: 19g | Protein: 3g | Fat: 4g | Saturated Fat: 0.4g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 1g | Trans Fat: 0.01g | Sodium: 27mg | Potassium: 92mg | Fiber: 3g | Sugar: 11g | Vitamin A: 199IU | Vitamin C: 0.1mg | Calcium: 82mg | Iron: 3mg