Salted Brown Butter Rice Krispie Treats

1/2 cup butter 
40 large marshmallows 
1/4 tsp coarse sea salt 
6 cups Rice Krispies Cereal

1.Grease a glass baking dish.

2.In a large pot, over medium heat, brown butter. (Stages: it will melt, foam, turn a clear golden and then turn brown). Keep a close eye on the butter, it will burn quickly.

3. Once butter is browned, stir in marshmallows until melted. Remove pot from heat.

4. Stir in Rice Krispies and salt. Quickly spread into prepared baking dish. Let cool and cut into squares.