01 -
Peel, core, and chop 3 medium apples into 1/2-inch cubes. Toss with 1 tablespoon lemon juice and set aside.
02 -
Preheat oven to 350°F (175°C). Grease a 9-inch round cake pan or line with parchment paper.
03 -
In a large bowl, whisk together flour, baking powder, baking soda, salt, and cinnamon.
04 -
In another bowl, beat softened butter with granulated sugar and brown sugar until light and fluffy (2-3 minutes).
05 -
Beat in eggs one at a time, then stir in vanilla extract.
06 -
Mix in sour cream or yogurt until incorporated.
07 -
Gradually add dry ingredients to wet ingredients, mixing gently with a spatula until just combined.
08 -
Fold in chopped apples and any optional nuts or raisins.
09 -
Spoon batter into prepared pan and smooth the top. Sprinkle with cinnamon-sugar topping if desired.
10 -
Bake for 45-55 minutes, or until a toothpick inserted in the center comes out clean. If using a loaf pan, add 5-10 minutes to bake time.
11 -
Let cake cool in pan for 10 minutes, then run a knife around the edge and carefully lift out. Cool completely before slicing.