INGREDIENTS
•
1 1/2 stick cold unsalted butter
•
1 large onion
•
1 tbsp. poppy seeds
•
kosher salt
•
Freshly ground pepper
•
1 c. coarsely shredded Gruyère cheese
•
2 c. all-purpose flour
•
2 tsp. baking powder
•
1/2 tsp. baking soda
•
1 tsp. salt
•
1 c. buttermilk