Preheat the oven to 425 degrees. Grease a muffin tin with coconut oil, or line with parchment liners. Set aside.
In a large mixing bowl, sift the flour, baking powder, cinnamon, ginger, nutmeg, baking soda, and salt. Stir, then fold in the oats. Set aside.
In a medium mixing bowl, whisk together the melted coconut oil, honey, eggs, Greek yogurt, and vanilla. Fold into the dry ingredients until just combined, then add the grated and diced apple. Do not overmix!
Divide the batter evenly between the slots in the muffin tin. Bake until golden-brown and a toothpick comes out clean, about 12-15 minutes. Keep a close eye, since honey causes baked goods to brown more quickly than usual.
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