A simple recipe for cupcakes in molds in the oven

This simple recipe for making cupcakes in molds in the oven should be in every housewife's cookbook. After all, it can become a lifesaver, if guests are on the doorstep, children want sweets, you can take them on the road and so on. To prepare simple cupcakes in molds in the oven, you will need:
chicken eggs - 4 pcs.;
sugar - 150 g;
butter - 120 g;
vegetable oil - 100 ml;
baking powder - 10 g;
flour - 2 cups;
vanilla sugar - 10 g;
jam (you can take thick jam or boiled condensed milk) - 200 g (optional).
A glass with a capacity of 200 ml.