Preheat oven to 425F. Lightly grease a 12-cup muffin tin OR line with muffin liners and set aside.
In a medium bowl, combine 1-1/2 cups flour, cornmeal, baking powder, baking soda, and salt. In a separate bowl, whisk melted butter, honey, eggs, greek yogurt, and buttermilk until smooth. Gently fold flour mixture into liquid until just combined. Toss blueberries with remaining 1 tablespoon flour in a small bowl then fold into batter.
Fill muffin cups 3/4 full of batter and smooth tops. Bake muffins at 425F 5 minutes then reduce heat to 375F and bake an additional 15 minutes or until golden-brown and a toothpick comes out clean. Cool muffins on a wire cooling rack.
Lemon Honey Butter
In a small bowl with an electric mixer, beat butter until smooth and creamy. Beat lemon zest and honey into butter until smooth.
Serve blueberry cornbread muffins warm with lemon honey butter. Enjoy!