1 c butter
20 oz mini marshmallows (2 bags)
6 c Rice Krispies
4 c Golden Grahams
1/2 tsp salt
1 tsp vanilla
Brown butter over medium-high heat stirring often.
Turn off heat and add 3/4 of the marshmallows to butter. Add salt & vanilla. Mix.
Pour melted marshmallow mixture over mixed cereals and then remaining marshmallows. Stir to combine.
Press mixture into a lightly greased dish & press with spatula. Sprinkle flaky salt and cool before cutting.