mom’s apple cake

Name: mom’s apple cake
Cuisine: American
Ingredients: For the apples; 6 apples, Mom uses McIntosh apples, I use a mix of whatever looks good; 1 tablespoon ground cinnamon; 5 tablespoons (65 grams) granulated sugar; For the cake; 2 3/4 cups (360 grams) flour; 1 tablespoon baking powder; 1 teaspoon fine sea or table salt; 1 cup (235 ml) vegetable oil (safflower, sunflower, olive and coconut oil also work, as does melted butter); 2 cups (400 grams) granulated sugar; 1/4 cup (60 ml) orange juice; 2 1/2 (13 ml) teaspoons vanilla extract; 4 large eggs; 1 cup (130 grams) walnuts, chopped (optional and to be honest, we never use them)