Wash hands thoroughly, lathering with soap and rinsing under running water.
Prepare a muffin tin with liners or coat the wells with non-stick spray.
Preheat oven to 400 F.
Place dry ingredients in a large bowl and whisk.
Mix wet ingredients in a medium bowl. Whisk to mix thoroughly.
Make an indentation in the center of the dry ingredients. Pour liquids into the center and mix just until there are no more dry spots. The batter will be very thick.
Gently, fold blueberries into the batter.
Fill each liner or muffin cup three-quarters full and place the tin in the oven. Bake for 15 minutes, until a tester inserted in the center comes out with just a couple of crumbs sticking to it.Bake three to five minutes longer if the muffins are still wet in the center. The muffin tops should be lightly golden.
Take the muffins out of the oven and let them cool in the pan for 5 minutes on the counter or stovetop. Then, remove them to wire racks to finish cooling.
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Notes
This muffin has a lovely cake-like texture, partially because of the maple syrup and oil. However, if you don't mind a slightly coarser crumb, you can substitute melted butter for the oil and sugar for the syrup. After baking, be sure not to let the muffins stay in the pan too long. They will steam and get soggy bottoms!