5-minute cake: you can make it every day! Quick and easy recipe

Ingredients:

3 eggs,
150 g sugar (3/4 cup),
100 ml vegetable oil (1/3 cup and 1 tablespoon),
150 g plain yogurt (2/3 cup),
a pinch of salt,
1 teaspoon vanilla extract,
200 g wheat flour (1 1/4 cup), 1 and a half teaspoons
baking powder (6 g),
1 tablespoon cocoa powder (10 g),
1 teaspoon instant coffee

Warm water, about 2 tablespoons
A few drops of chocolate (optional)
Pan dimensions: 21 x 11 x 6 cm
Bake in a preheated oven at 170°C (338°F) for 35 to 40 minutes.