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1
Preheat oven to 350u00b0F. Grease a 12-cup muffin tin.
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In a large bowl, mix together flours, cinnamon, salt, baking powder, and baking soda.
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In a medium bowl, whisk together remaining muffin ingredients until smooth. Pour wet ingredients slowly into dry. Stir until just combined, being careful not to over-mix. Lumps are ok.
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4
Divide batter between muffin tins. Each tin should be about 3/4 full. Bake muffins for 20 minutes or until an inserted toothpick comes out clean.
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5
While muffins are baking, prepare espresso butter by using either a stand or handheld electric mixer to beat butter and espresso powder until well combined and smooth, about 3 minutes.
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Let muffins cool in the pan for 5 minutes before transferring to a wire rack. Serve with espresso butter.
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Notes:
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These muffins aren't overly sweet. If you would like them a little sweeter, feel free to increase the honey to 1/3 or 1/2 cup.
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After butter sits for a few hours, the espresso powder will dissolve a bit more into the butter, turning it a mocha color. You can keep the butter in the refrigerator, but it is best served at room temperature.
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If you think that espresso flavor might be too strong, feel free to decrease the amount of powder to 1/2 tablespoon or use instant coffee granules instead.