Toaster-Oven Banana Oat Cookie

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22 minTotal time
EasyDifficulty
250kcal / serving

Ingredients

For 1 serving

Ingredient substitutions

  • Unsweetened soy milk Unsweetened oat milk in the same amount
  • Neutral oil Melted coconut oil in the same amount
  • Brown sugar Coconut sugar in the same amount

Nutrition per serving

Estimated values for 1 serving, 250 kcal

Protein6 g
Carbohydrates43 g
Fat7 g

Fiber 5 g · Sugar 15 g · Sodium 150 mg

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A soft-centered, lightly crisp oatmeal cookie sweetened with ripe banana and a little brown sugar. Soy milk brings the dough together for an easy single-serving treat.

Snack American Vegetarian

Steps

  1. Line a small toaster-oven tray with parchment paper.
  2. Mash the banana in a bowl, then mix in the brown sugar, soy milk, and oil.
  3. Stir in the oats, baking powder, and salt until evenly combined. Let the mixture stand for 3 minutes to thicken.
  4. Shape into one thick, round cookie on the tray and gently flatten it.
  5. Bake in the toaster oven until the edges look set and lightly golden and the center is no longer wet, about 12–16 minutes. Let it cool on the tray for 5 minutes before eating.

Tips for Toaster-Oven Banana Oat Cookie

  • Use a very ripe banana for a sweeter cookie and a mixture that holds together well.
  • A small oven-safe tray and parchment help prevent the bottom from browning too quickly.
  • For a chewier middle, avoid flattening the cookie too thin.

Drink pairing

A cup of black tea
Its gentle tannic character balances the cookie’s banana sweetness and brown-sugar notes.

0% option: A cup of black tea

Storage

Store the cooled cookie in a covered container in the refrigerator for up to 3–4 days. Reheat until steaming hot if you prefer it warm.

Frequently asked questions

How do I know when the cookie is done?
The edges should look set and lightly golden, while the center should look moist but not wet. It firms as it cools.

Can I make the dough ahead?
You can mix it shortly ahead and refrigerate it covered, but bake it the same day for the best texture.

Why did my cookie spread or crumble?
Banana size and ripeness affect the dough. If it seems loose, let it stand a few extra minutes so the oats can absorb moisture.
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