Step 1

Preheat oven to 325 degrees.

Step 2

In the bowl of a stand mixer, add the yams, butter and brown sugar.  Mix on med-low speed to combine.  Add the egg, half and half, pineapple, cinnamon and nutmeg and mix to combine thoroughly.

Step 3

Pour the mixture into a greased oven-safe casserole dish and set aside.

Step 4

In a small bowl, mix together the cornflakes, butter, pecans and light brown sugar.  Sprinkle the mixture evenly over the top of the casserole and bake for approximately 25-30 minutes or until the top starts to brown.

Step 5

Serve immediately.