Apple Crumble

Name: Apple Crumble
Prep time: 20 min
Cook time: 45 min
Total time: 1 h 5 min
Cuisine: European, British
Ingredients: 12 Tbs melted unsalted butter; 1 ½ all-purpose flour; 1 ½ cups brown sugar, divided; 1 cup Quaker Oats; 1 cup chopped pecans; 1 tsp salt; 8 medium apples peeled cored and cut into ½-inch dlices; 1 Tbsp ground cinnamon; 2 Tbsp lemon juice