Preheat oven to 350 degrees F.

In a large bowl, mash sweet potatoes and stir in melted butter, milk, sugar, vanilla extract, and beaten Eggland's Best eggs. Stir until well combined.

Pour sweet potato mixture into a 2 quart baking dish.

In a bowl, combine the melted butter, brown sugar, flour, and chopped pecans. Use a fork or your fingers until mixture becomes small crumbles.

Sprinkle crumbles over sweet potato mixture.

Bake uncovered for 25-35 minutes until topping is golden brown.

Let casserole cool for about 10 minutes before serving.