To prepare Maple Butter, mix all ingredients together until fully combined. Keep cool or at room temp.
To prepare waffles, separate egg whites and yolks into separate bowls. Combine flour, cornmeal, baking powder, baking soda, and salt. Set aside. Beat egg whites and sugar until stiff peaks. Combine buttermilk, olive oil, egg yolks and vanilla. Add the flour mixture to the buttermilk mixture.Gently fold in whipped egg whites.