First, preheat the oven to 350°F and measure out all of the muffin ingredients.
Next, in a medium-size mixing bowl, add the flour, baking powder, and salt.
Combine the dry ingredients together with a blending whisk.
Then, in a large mixing bowl, use an electric hand mixer on medium speed to beat the eggs. Afterwards, add in the sugar and vanilla extract.
Continue to mix the wet ingredients together with the hand mixer for 6 minutes, or until completely mixed.
Next, pour half of the dry ingredient mixture into the bowl of wet ingredients and mix well with the mixer.
Pour the remaining half of dry ingredients into the mixture and mix again until all ingredients are completely combined.
Then, add the small apple cubes into the batter mixture.
Use a spatula to gently fold the apples. Make sure the apples are mixed in evenly throughout the batter.
Next, line the muffin pan with the tulip liners and lightly spray the insides with some cooking oil spray.
Then, use a large dough scoop to spoon the batter evenly into the muffin liners.
Bake the muffins for 25-30 minutes, or until a toothpick stuck in the middle muffin comes out clean.Finally, set the muffins on a drying rack to cool completely.
Garnish
First, gently spoon the powdered sugar into the small sifter.
Then, sift the powdered sugar evenly and generously over the top of the apple sharlotka muffins.