Ingredients:
- 1.5 cups (190g) All-purpose flour
- 1 cup (90g) Rolled oats
- 1 tsp Baking powder
- 1 tsp Baking soda
- 0.5 tsp Sea salt
- 2 tsp Ground cinnamon
- 2 large Tart apples (Granny Smith or Pink Lady), approx 400g total
- 0.5 cup (100g) Light brown sugar, packed
- 0.25 cup (60ml) Pure maple syrup
- 0.33 cup (80ml) Neutral oil (avocado or coconut)
- 1 large Egg, room temperature
- 0.5 cup (120g) Plain Greek yogurt
- 1 tsp Pure vanilla extract
- 2 tbsp Turbinado sugar
- 0.5 tsp Cinnamon (for topping)
Instructions:
- Preheat your oven to 375°F (190°C) and line your muffin tin. Wash, core, and dice your 2 large apples into 1/4 inch pieces. Don't peel them unless you really hate the skins — the skin adds color and fiber that stands up well to the bake.
- In your large bowl, whisk together the 1.5 cups flour, 1 cup rolled oats, baking powder, baking soda, salt, and 2 tsp cinnamon. Ensure there are no clumps of soda, as a bite of concentrated leavener is quite unpleasant.
- In a separate bowl, whisk the 1 large egg with 0.5 cup brown sugar until smooth. Stream in the 0.33 cup oil, 0.25 cup maple syrup, 0.5 cup Greek yogurt, and 1 tsp vanilla. Whisk vigorously until the mixture looks velvety and emulsified.
- Pour the wet mixture into the dry ingredients. Use a spatula to fold gently. Stop when you still see a few streaks of flour. Over mixing here is the enemy of a light muffin.
- Toss the diced apples into the batter. Fold them in with three or four slow turns. The batter will be thick, almost like a heavy porridge. This is exactly what you want.
- Divide the batter evenly among the 12 muffin cups. They should be filled nearly to the top. This gives you those beautiful, rounded peaks.
- Mix the 2 tbsp turbinado sugar with the remaining 0.5 tsp cinnamon. Sprinkle this generously over each muffin. This creates the signature shatter texture on the crust.
- Bake for 22 minutes. At the 18 minute mark, check them. They are done until a toothpick comes out clean and the tops feel springy.
- Let the muffins sit in the tin for 5 minutes. The carryover heat finishes the center without drying out the edges.
- Move the muffins to a wire rack. If you leave them in the tin too long, the bottoms will steam and become soggy. Wait at least 10 minutes before peeling back the liner.