4Add the diced sweet potatoes to a large pot and cover with water.
5Add the diced sweet potatoes to a large pot and cover with water.
6Add the diced sweet potatoes to a large pot and cover with water.
7Boil the sweet potatoes until they are fork-tender.
8Boil the sweet potatoes until they are fork-tender.
9Boil the sweet potatoes until they are fork-tender.
10Drain the sweet potatoes and let them cool off for a bit.
11Drain the sweet potatoes and let them cool off for a bit.
12Drain the sweet potatoes and let them cool off for a bit.
13Add 1/4 cup of butter, 1/2 cup of brown sugar, 1 teaspoon of cinnamon, 1 teaspoon of nutmeg, 1/2 teaspoon of salt, and 1 teaspoon of vanilla extract to the sweet potatoes.
14Add 1/4 cup of butter, 1/2 cup of brown sugar, 1 teaspoon of cinnamon, 1 teaspoon of nutmeg, 1/2 teaspoon of salt, and 1 teaspoon of vanilla extract to the sweet potatoes.
15Add 1/4 cup of butter, 1/2 cup of brown sugar, 1 teaspoon of cinnamon, 1 teaspoon of nutmeg, 1/2 teaspoon of salt, and 1 teaspoon of vanilla extract to the sweet potatoes.
16Mix all the ingredients together with the sweet potatoes.
17Mix all the ingredients together with the sweet potatoes.
18Mix all the ingredients together with the sweet potatoes.
19Add 1/2 cup of milk and two eggs to the sweet potato mixture and mix thoroughly.
20Add 1/2 cup of milk and two eggs to the sweet potato mixture and mix thoroughly.
21Add 1/2 cup of milk and two eggs to the sweet potato mixture and mix thoroughly.
22Spread half of the sweet potato mixture into the bottom of a 9x13 baking dish.
23Spread half of the sweet potato mixture into the bottom of a 9x13 baking dish.
24Spread half of the sweet potato mixture into the bottom of a 9x13 baking dish.
25In a separate bowl, add 6 tablespoons of butter, 1 tablespoon of cinnamon, 1 cup of flour, and 1 cup of packed brown sugar for the cinnamon filling.
26In a separate bowl, add 6 tablespoons of butter, 1 tablespoon of cinnamon, 1 cup of flour, and 1 cup of packed brown sugar for the cinnamon filling.
27In a separate bowl, add 6 tablespoons of butter, 1 tablespoon of cinnamon, 1 cup of flour, and 1 cup of packed brown sugar for the cinnamon filling.
28Mash the cinnamon filling ingredients together with a fork until crumbly.
29Mash the cinnamon filling ingredients together with a fork until crumbly.
30Mash the cinnamon filling ingredients together with a fork until crumbly.
31Spread 3/4 of the cinnamon filling mixture over the sweet potatoes in the baking dish, reserving 1/4 for later.
32Spread 3/4 of the cinnamon filling mixture over the sweet potatoes in the baking dish, reserving 1/4 for later.
33Spread 3/4 of the cinnamon filling mixture over the sweet potatoes in the baking dish, reserving 1/4 for later.
34Add the remaining sweet potato mixture on top of the cinnamon filling and smooth it over.
35Add the remaining sweet potato mixture on top of the cinnamon filling and smooth it over.
36Add the remaining sweet potato mixture on top of the cinnamon filling and smooth it over.
37For the topping, in a bowl, combine 1/4 cup of butter, 2 tablespoons of flour, and 2 tablespoons of brown sugar.
38For the topping, in a bowl, combine 1/4 cup of butter, 2 tablespoons of flour, and 2 tablespoons of brown sugar.
39For the topping, in a bowl, combine 1/4 cup of butter, 2 tablespoons of flour, and 2 tablespoons of brown sugar.
40Use a fork to mash the topping ingredients until crumbly.
41Use a fork to mash the topping ingredients until crumbly.
42Use a fork to mash the topping ingredients until crumbly.
43Add 1 cup of chopped pecans to the topping mixture and mix well.
44Add 1 cup of chopped pecans to the topping mixture and mix well.
45Add 1 cup of chopped pecans to the topping mixture and mix well.
46Spread the pecan topping mixture evenly over the sweet potatoes.
47Spread the pecan topping mixture evenly over the sweet potatoes.
48Spread the pecan topping mixture evenly over the sweet potatoes.
49Add 1 1/2 cups of mini marshmallows over the pecan topping.
50Add 1 1/2 cups of mini marshmallows over the pecan topping.
51Add 1 1/2 cups of mini marshmallows over the pecan topping.
52Add the reserved 1/4 of the cinnamon filling on top of the marshmallows.
53Add the reserved 1/4 of the cinnamon filling on top of the marshmallows.
54Add the reserved 1/4 of the cinnamon filling on top of the marshmallows.
55Bake the casserole at 350 degrees Fahrenheit for 30 minutes.
56Bake the casserole at 350 degrees Fahrenheit for 30 minutes.
57Bake the casserole at 350 degrees Fahrenheit for 30 minutes.