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5 from 1 vote

Giant Gluten Free Ube White Chocolate Muffins

These muffins are gloriously rich with ube (purple yam) and cozy white chocolate chips
Prep Time20 minutes
Cook Time40 minutes
Resting time30 minutes
Course: Breakfast, Dessert, Snack
Cuisine: American
Diet: Gluten Free
Keyword: breakfast, costco muffins, easy, gluten free, muffins, purple yam, simple, ube, white chocolate
Servings: 6 Giant muffins
Calories: 500kcal
Author: Amelia Farber

Equipment

  • Six 4-inch round cake pans (link below to the ones we use)
  • Cookie sheet

Ingredients

For the muffins:

  • 4 large eggs
  • 1 1/3 Cup white sugar
  • 1/2 Cup canola or vegetable oil
  • 1/2 Cup melted salted butter
  • 1/2 Cup sour cream
  • 1 Cup milk
  • 3 tsp ube extract link below to the one we use
  • 2 1/4 Cup gluten free 1-1 flour mix that contains xanthan gum (link below to the one we use)
  • 1/2 Cup sweet rice flour
  • 1/4 Cup arrowroot starch
  • 2 3/4 tsp baking powder
  • 3/4 tsp salt
  • 1 1/2 Cups white chocolate chips

For the glaze:

  • 1 1/4 Cup sifted powdered sugar
  • 1/2-1 tsp ube extract
  • 2-3 Tbsp milk
  • pinch salt

Instructions

  • Make the muffin batter! It will need to rest at room temp for 30 minutes before baking. First, in a large bowl, whisk together the eggs, sugar, oil, melted butter, sour cream, milk, and ube extract until thicker and smooth. Add in the gluten free 1-1 floursweet rice flour, arrowroot starch, baking powder, and salt and stir until just combined (do not overmix). Finally, fold in the white chocolate chips. Then let the batter sit either on the counter for at least 30 minutes before baking (you can let it rest in the fridge for longer if you want).
  • Once the batter has rested preheat the oven to 425° Fahrenheit and place your six 4-inch cake pans on a cookie sheet. Grease each pan with cooking spray, then spoon batter into each one evenly (they should be about 3/4-5/6 full). Bake for 5 minutes and then turn down the temperature to 350° (without opening the oven door!! Keep it closed) and continue 25-30 minutes until the tops spring back with touched (do NOT open the oven while baking or the muffins will not rise fully, only open the oven a tiny bit to check if done). Let cool nearly-completely before turning out and glazing.
  • While the muffins are cooling, make the glaze! In a medium cereal bowl, stir together all of the glaze ingredients, starting with 1 tbsp of milk and adding more as needed, until fully combined and very smooth (this may take some working). Check the consistency of the glaze: you're looking for a glaze that can drizzle over the muffins, but doesn't flow too quickly or it will simply run off and not hold on top of the muffins. Add more powdered sugar if it seems too thin/runny.
  • Then use a spoon to drizzle the glaze over the muffins, and serve! You can let the glazed muffins sit at room temp for 30-45 minutes for the glaze to harden, then put into zip-top bags and keep in the fridge or freezer for up to a week. Best-served slightly warm, so pop them in the microwave for 10-20 seconds from room temp!