In a large bowl, whisk together the cornmeal, flour, baking powder, salt, and sugar. Whisk in the eggs and buttermilk until well blended, then stir in the butter.
Cook in a waffle iron according to manufacturer's directions. Serve hot with lavender cream (recipe follows) and fresh blueberries.
Lavender cream. Cook 1/4 cup heavy whipping cream and a scant 1/4 teaspoon dried culinary lavender in a small saucepan over medium heat until hot but not boiling. Cool completely, then strain. Stir in another 3/4 cup heavy whipping cream and 1 tablespoon sugar, then whip to soft peaks. Cover and refrigerate until ready to serve.
Note: Nutritional analysis is per serving.