Preheat oven to 350 F. Spray or grease a 12 x 4-inch loaf pan.
Combine yeast, lukewarm water & 1 tsp sugar. Set aside for 5 minutes or until thick & foamy.
In a large bowl whisk together flour, baking powder, baking soda, sugar & Old Bay seasoning.
Using a pastry blender, cut cold butter into dry ingredients until butter is the size of peas. Add buttermilk then yeast mixture. Stir in cheddar cheese & dill. Do not over mix.
Place batter in greased baking pan & lightly level out.
Bake for 25 minutes or until bread tests done with a wooden pick.
Topping
In a small dish, whisk together melted butter & garlic powder. Brush with garlic butter.