Savory Cornucopia Waffles

1 1/2 cups whole wheat flour
2 tsp. baking powder
pinch of baking soda
1/2 tsp. kosher salt
1 tablespoon sugar
1 egg, beaten
1 1/2 cups lowfat buttermilk
1/3 cup corn oil
4 oz. nonfat Greek yogurt and chopped kalamata olives
4 cups frozen defrosted drained chopped spinach
pinch of dill weed,
splash of hot sauce
chopped garlic
we had leftover yams, beets and eggplant we chopped and threw in, holding back on the spinach.