Step 1

In a medium pot, bring 4 1/2 cups water to a boil. Stir in oats and salt and cook 1 minute. Let cool, cover, and refrigerate overnight.

Step 2

Bring oatmeal to a simmer over medium-high. Cook until tender, about 10 minutes. Stir in milk and vanilla. Transfer to a 9-inch pie plate.

Step 3

Heat broiler, with rack 4 inches from heat. Top oatmeal with bananas and brown sugar and broil until bananas are caramelized, 3 to 4 minutes. Sprinkle with pecans to serve.