Adapted from a gluten-free vegan version.
Pulling these muffins from the oven at precisely 25 minutes prevents the dense crumb from turning dry, as alternative grain structures lose moisture rapidly past their peak bake window. Combining buckwheat, coconut, and almond flours alongside a potato or tapioca starch blend creates a functional matrix that mimics traditional wheat without relying on gluten for elasticity. Coconut flour behaves like a sponge, absorbing significant liquid, which makes precise measurement of the coconut milk and pumpkin puree essential. Over-mixing the batter after combining the wet and dry components activates unwanted starch gums, leading to a rubbery texture rather than a tender, cake-like consistency. Room temperature butter must be creamed thoroughly with the sugar to incorporate air pockets, serving as the primary mechanical leavening agent alongside baking powder and baking soda. Substituting fresh orange juice for bottled varieties introduces consistent acidity needed to activate the sodium bicarbonate without imparting unexpected sweetness. Storing leftovers in an airtight container at room temperature preserves the crumb integrity for up to three days.