Apple Cinnamon Swirl Loaf

Ingredients:

1/3 cup light brown sugar
1 teaspoon ground cinnamon
2/3 cup white sugar
1/2 cup butter, softened
2 eggs
1 1/2 teaspoons vanilla extract
1 1/2 cups all-purpose flour
1 3/4 teaspoons baking powder
1/2 cup milk
1 large apple, peeled and finely diced
Pinch of salt

Instructions:

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