Steak with cream-baked potatoes, grape&leek salad and boiled vegetables. Served with lightly toasted bread with garlic butter 

2 separate parts: 

Cream-baked potatoes

In one heat proof container put:
One layer of sliced potato
One layer of sliced onion 
Seasoning, black pepper, garlic, salt 
One layer of sliced potato 
Pour heavy cream over, about halfway up the layered potato and onion. 
Sprinkle with cheese. 
Bake in oven at 180C for about 40 – 45 minutes. 

Grape & Leek salad:

Seedless grapes, halved 
Leek, finely chopped, to taste. 
2 parts sour cream 
1 part mayonaise 
Pinch of sugar, squirt of lemon.