First of all Gather your ingredients.

Best Sweet Potato Casserole

Preheat your oven to 350 degrees F (175 degrees C).

image credit : google

Peel and dice the sweet potatoes.

image credit : google

Place the sweet potatoes in a large pot and cover with water.

image credit : google

Bring to a boil, then reduce heat and simmer until tender, about 15 minutes.

image credit : google

Drain the sweet potatoes and return them to the pot.

image credit : google

Mash the sweet potatoes with a potato masher.

image credit : google

Add the brown sugar, cinnamon, butter, eggs, milk, and salt.

image credit : google

Mix well until all ingredients are combined.

image credit : google

Pour the sweet potato mixture into a greased 9x13 inch baking dish. than Top with marshmallows.

image credit : google

Bake for 25 minutes, or until the marshmallows are golden brown. 

image credit : google

Serve warm and enjoy!