Beef Pot Pie with Cheddar Crust

INGREDIENTS

1 stick

butter ((salted, cold))

4 tbsp

dill ((chopped))

1 cup

cheddar ((grated))

1/2 tsp

dry mustard

1 tbsp

sugar

1 1/4 cups

flour

1/4 cup

ice water

1 tbsp

vermouth ((or water - optional))

1 tbsp

oil

1 1/2 cups

diced onion

3/4 cup

carrot (( about 1 large carrot, diced into pea-size pieces))

sprigs thyme

head garlic ((yes, whole head of garlic!))

1/2 cup

mushrooms ((~1/2 pound, chopped))

4 cups

cooked leftover roast beef ((cubed into 1 inch pieces))

bottle beer ((330 ml))

2/3 cup

frozen peas

spices as needed to your taste

2 tbsp

fat ((either leftover fat from beef cooking or butter))

2 tbsp

flour

about 1 cup liquid from the stew