Small cute sweets made in a frying pan

Ingredients (plain): about 40 to 50 pieces
1 egg yolk
2 tablespoons sugar
8 tablespoons potato starch (about 70g)
1 teaspoon milk
Vanilla essence if you have it


Ingredients (cocoa)
1 egg yolk
1 tablespoon cocoa
3 tablespoons sugar
7 tablespoons potato starch (about 70g)
2 teaspoons milk
0 vanilla extract if available