World's Best Rice Krispies® Treats

By Jessie Sheehan

4.0 / 5

20min

10min

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cooking spray
½ cup unsalted butter
½ cup sweetened condensed milk
1 (10 ounce) package miniature marshmallows
1 cup miniature marshmallows
1 tablespoon vanilla extract
1 teaspoon fine sea salt
6 cups crispy rice cereal (such as Rice Krispies®)
1 pinch Sea Salt, gray