A Scotsman's Shepherd Pie

INGREDIENTS

5 cups

mashed, boiled potatoes

1/2 cup

sour cream

2 oz

cream cheese

2 tbsp

butter, softened, divided

egg yolk

1/2 tsp

kosher salt

1/2 tsp

freshly ground black pepper

1 1/2 tsp

olive oil

1 lb

ground lamb

1 pinch

salt and ground black pepper to taste

1 16 ounce can

stewed tomatoes with juice, chopped

small onion, chopped

small carrot, peeled and chopped

1/2 cup

peas

1 cup

Irish stout beer (such as Guinness®)

cube beef bouillon

1 tbsp

all-purpose flour

1 tbsp

Worcestershire sauce

3/4 cup

shredded sharp Cheddar cheese

2 tsp

chopped fresh parsley

2 tsp

smoked paprika