Creating Sweet Potato Crunch Casserole is simple if you follow these steps:

1. Preheat Oven: Preheat your oven to 350°F (175°C).

2. Prepare Sweet Potatoes: Boil the sweet potatoes in a large pot of water until tender, about 15-20 minutes. Drain and let cool slightly.

3. Mash Sweet Potatoes: In a large mixing bowl, mash the sweet potatoes until smooth.

4. Combine Ingredients: Add granulated sugar, brown sugar, milk, melted butter, eggs, vanilla extract, ground cinnamon, and salt to the mashed sweet potatoes. Mix until well combined.

5. Add Nuts: If using, fold in the chopped pecans or walnuts.

6. Transfer Mixture: Pour the sweet potato mixture into a greased 9×13-inch baking dish.

7. Prepare Crunch Topping: In a separate bowl, combine brown sugar, rolled oats, flour, melted butter, and ground cinnamon. Mix until crumbly.

8. Spread Topping: Evenly spread the crunch topping over the sweet potato mixture.

9. Bake: Place the casserole in the preheated oven and bake for 30-35 minutes or until the topping is golden brown.

10. Cool Slightly: Remove from the oven and allow to cool for a few minutes before serving.

By following these steps, you will create a delicious Sweet Potato Crunch Casserole that everyone will love!