Easy DIY Oat Flour Recipe (Ready in 2 Minutes)

Ingredients

• 180 g (2 cups)rolled oats

Instructions

1. 1

   Add the oats

   Put the oats into the clean, dry jug of a high-speed blender or food processor.

2. 2

   Blend until fine

   Blend for 15 seconds to 1 minute, depending on your appliance. Stop to check the texture, then blitz a few more times if needed until the oats are fine and powder-like. Avoid blending for too long, as the flour can become clumpy.

What is oat flour?

Oat flour is simply oats ground into a fine powder. Oats have long been used in porridge and baking, and this homemade version offers a straightforward way to turn rolled oats into flour for recipes.

Rolled oats: Their even, flat shape makes them easy to grind. This version keeps the ingredient list to one item and relies on a short burst of blending rather than any cooking.

Nutrition and macros by portion

The nutrition label shows one serving as written: 77 calories, 3g protein, 14g carbs, 1g fat.

Most of the energy and carbohydrates come from the oats, which also provide the protein and a small amount of fat. Use the flour in a meal alongside a protein-rich food and fruit or vegetables for a more balanced plate.

Choosing the oats

Rolled oats: Use plain, unflavoured oats so the flour works in both sweet and savoury recipes. Check the packet if you need the finished flour to be gluten-free, as oats can be affected by processing and handling.

Getting the right texture

Fine flour: A high-speed blender or food processor breaks the flakes down quickly. Stop and inspect the flour before blending further; a few short bursts are often enough to finish the job.

Dry equipment: A clean, completely dry jug helps the oats move freely and keeps moisture from making the flour clump.

Avoiding clumps

Short bursts: The method can take anywhere from 15 seconds to 1 minute, depending on your appliance. Blend only until the oats look powder-like, since excessive processing can make the flour clumpy.

Using oat flour

Baking: Use it in recipes that call for oat flour, or try it in place of some of the flour in a recipe. Oat flour behaves differently from wheat flour, so results may vary when swapping it into a recipe without adjustments.

Cooking: It can also be stirred into suitable mixtures as a thickener. Follow the proportions and method of the dish you are making.

Serving ideas

Pairings: This is a pantry ingredient rather than a finished dish, so use it in pancakes, muffins or other recipes that suit oat flour. For a balanced meal, pair a baked item made with it with a protein-rich food and some fruit.

Recipe notes & tips

• Start with a clean, dry blender jug or food processor bowl.
• Use plain rolled oats rather than flavoured or sweetened oats.
• Pause to check the texture before adding more blending time.
• Use short bursts near the end to avoid processing the oats for too long.
• Grind only the quantity you need if you prefer freshly made flour.

Variations

• Quick oats: Use plain quick oats and check the texture early, as they may grind quickly.
• Cinnamon: Add a little cinnamon after grinding when making flour for a sweet recipe.
• Savoury seasoning: Stir dried herbs into the flour after blending for a savoury coating or mixture.
• Small batches: Grind less oats at a time if your appliance struggles to process the full quantity evenly.

Common mistakes to avoid

• Damp jug: Moisture can encourage clumping; dry the jug thoroughly before adding the oats.
• Over-blending: Processing for too long can make the flour clumpy; stop when it is fine and powder-like.
• Skipping the texture check: Ovens and blenders vary; pause during blending and inspect the flour.
• Assuming every swap is exact: Oat flour can behave differently from wheat flour; use a recipe designed for it or replace only part of the flour.

How to store

Store the flour in an airtight container in a cool, dry cupboard and use it within a few weeks for the best quality. Discard it if it develops an unusual smell or shows signs of moisture.

Frequently asked questions