Preheat oven to 350°F (175°C).

Peel and grate sweet potatoes.

In a large bowl, add the grated sweet potatoes.

Add eggs to the sweet potatoes and stir to combine.

Sift corn meal and add it to the potato mixture.

Gradually add milk to the sweet potatoes, mixing well.

Add melted butter to the mixture and stir to incorporate.

Pour the mixture into a greased baking pan.

Bake in the preheated oven for 30 minutes.

Remove from oven and stir the casserole.

Return to the oven and bake for another 30 minutes, or until golden brown and set.