Healthy Oat Mug Cake (Oil-Free)

User Reviews

5

126 reviews
Excellent
  • Prep Time

    4 mins

  • Cook Time

    1 min

  • Total Time

    5 mins

  • Servings

    1 serving

  • Calories

    317 kcal

  • Course

    Breakfast, Snacks

  • Cuisine

    American

Healthy Oat Mug Cake (Oil-Free)

This oil-free oat mug cake combines oat flour with almond butter, almond milk, maple syrup, and spices like pumpkin spice or cinnamon to create a moist, spiced single-serving cake cooked quickly in the microwave. The batter relies on baking powder for rise and uses plant-based ingredients, making it a compact breakfast or snack option with gentle sweetness and a tender crumb.

Description

Healthy Oat Mug Cake (Oil-Free) is a quick mug cake designed for a microwave, made from oat flour, almond butter, almond milk, maple syrup, and a touch of vanilla. Dry ingredients include oat flour, baking powder, salt, and warming spices like pumpkin spice or cinnamon. Wet ingredients mix almond butter and milk with sweetener and vanilla. When combined, the batter produces a soft, slightly dense cake that rises in about 1 minute in an 1100 watt microwave.

The flavor is subtly sweet with warming notes from spices, while the texture remains moist due to the almond butter and milk content. No oil is added, making it lighter. The mug cake can be enjoyed immediately after cooking, allowing a brief resting time for flavor melding.

This versatile recipe can also be baked in an oven-safe mug at 350°F for 15-18 minutes, suitable for those avoiding microwaves. It offers a convenient, portion-controlled treat for breakfast or a quick snack with minimal preparation.

Measuring flour by weight or fluffing the oat flour before measuring is advised for best texture. Variations on flavor are possible with different spices or mix-ins.

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Ingredients

Servings

Wet ingredients:

  • 1 very full tablespoon almond butter Sub seed butter if needed, or cashew or peanut butter, smooth
  • 2 tablespoons almond milk or oat milk, unsweetened, non-dairy
  • 2 tablespoons maple syrup
  • ½ teaspoon vanilla extract optional

Dry ingredients:

  • cup oat flour tap "metric" above for weight, fine
  • ½ teaspoon pumpkin spice blend or cinnamon
  • ¼ teaspoon baking powder
  • pinch of salt sea salt

Instructions

  1. In a standard, 10-ounce, microwave-safe mug (a larger mug is fine, too), combine the nut butter, milk, maple syrup, and vanilla. Stir well so that the nut butter is fully incorporated.
  2. In a separate mug, stir together the oat flour, baking powder, salt, and pumpkin spice or cinnamon. Pour the dry ingredients into the mug with the wet ingredients, and stir until there's no visible dry flour.
  3. Note: this recipe was tested in an 1100 watt microwave. Microwave ovens vary, so stay nearby and keep an eye on the mug the first time you try the recipe. Begin by microwaving on high power for 50 seconds. Then microwave for another 10 to 20 seconds, depending on how much the cake has risen and whether the center appears firm. In my microwave, this recipe comes out just right with a cook time of 70 seconds. If using a smaller, older, or lower wattage microwave you may need to add more time (do this in 10 to 15 second intervals.)
  4. Let sit 5 minutes, then enjoy! For breakfast it's delicious with plain vegan yogurt and a sprinkle of hemp seeds. Or if enjoying as a dessert, try it with your favorite vegan ice cream, dairy-free whipped cream, and/or maple syrup.

Notes

  • Fluff oat flour with a whisk and level off when measuring for accurate volume.
  • Use a smooth, glazed ceramic mug for even rising in the microwave.
  • To bake instead of microwave, use a 350°F oven for 15-18 minutes and test doneness with a toothpick.
  • Adjust microwave time based on your appliance wattage; cook in short increments to avoid overcooking.
  • The batter can be baked in muffin pans but will cook faster than in a mug; watch closely.

Nutrition Information

Show Details
Calories 317kcal (16%) Carbohydrates 50g (17%) Protein 7.5g (15%) Fat 11g (17%) Saturated Fat 1g (5%) Cholesterol 0mg (0%) Sodium 175mg (7%) Fiber 5.5g (22%) Sugar 25g (50%) Vitamin A 66IU (1%) Calcium 178mg (18%) Iron 2mg (11%)

Nutrition Facts

Serving: 1serving

Amount Per Serving

Calories 317 kcal

% Daily Value*

Calories 317kcal 16%
Carbohydrates 50g 17%
Protein 7.5g 15%
Fat 11g 17%
Saturated Fat 1g 5%
Cholesterol 0mg 0%
Sodium 175mg 7%
Fiber 5.5g 22%
Sugar 25g 50%
Vitamin A 66IU 1%
Calcium 178mg 18%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.

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User Reviews

Overall Rating

5

126 reviews
Excellent

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