Apple Pecan Muffins With Cinnamon Crumble Recipe

Name: Apple Pecan Muffins With Cinnamon Crumble Recipe
Ingredients: ½ cup all-purpose flour; ¼ cup light brown sugar; ¼ cup butter, melted; 2 tablespoons granulated sugar; 1 teaspoon ground cinnamon; 2 tablespoons chopped pecans; ¾ cup granulated sugar; ½ cup light brown sugar; 2 cups all-purpose flour; 1 tablespoon baking powder; 1 ½ teaspoons ground cinnamon; ½ teaspoon salt; ¼ cup vegetable oil; 2 large eggs, room temperature; ⅓ cup buttermilk; ⅓ cup milk; 1 teaspoon vanilla extract; 1 cup grated apple; ½ cup chopped pecans