INGREDIENTS
1 1/4 cups
cornmeal
3/4 cup
all purpose flour
3 tbsp
sugar
2 tsp
baking powder
1 tsp
salt
1
egg
1 1/2 cups
milk
1/4 cup
oil
3 tbsp
butter, divided
1/2
small onion, chopped
1
poblano chili
1 cup
sharp gruyere cheese, plus extra fro serving