Beat eggs with sugar until fluffy foam for about 5 minutes.
Add kefir, a pinch of salt, vegetable oil, lemon zest to the eggs, mix everything well or beat with a mixer.
Then add flour with baking powder. Stir again.
You can peel the apples or leave the peel. Cut into small pieces, sprinkle apples with lemon juice and add to the dough.
Transfer the finished dough into a baking dish. Place in a preheated oven to 200 degrees for 40 minutes. Then turn off the oven and leave the cupcake to stand for another 15 minutes, then pull it onto the grill so that it cools down.
Sprinkle the finished cake with powdered sugar.
Kefir cupcake with apples turns out to be very tender, aromatic and slightly moist due to juiciness of apples. Preparing such a cupcake is quite simple, apples can be used in any variety and sweets. You can replace cinnamon with vanillin as you like best. Such a cupcake is perfect for the whole family, you can decorate baked goods not only with powdered sugar, but also with chocolate icing.