Doughnuts with rich vanilla cream

4h 35m 

Produce

1 tsp: Lemon, zest

Refrigerated

4: Eggs

Baking & spices

1 tsp: Active dry yeast

500 g: All-purpose flour

40 g: Corn starch

1 tsp: Salt

50 g: Sugar

80 g: Vanilla sugar

Oils & vinegars

2 liters: Vegetable oil

Dairy

150 g: Butter

500 ml: Milk

Beer, wine & spirits

1 tbsp: Rum

Liquids

190 ml: Water

Other

3: Eggs, free range