World's Best Rice Krispies® Treats

Ingredients (8)

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