Key Lime Fudge

Bahan-bahan (36 porsi)

• One 5-ounce can 2% evaporated milk
• 1⅔ cups granulated white sugar
• ½ teaspoon salt
• 12 large marshmallows, (quartered)
• 2 cups white chocolate chips
• ¼ cup grated lime zest ((about 5 limes))
• 2 tablespoons key lime juice ((5 to 7 limes, juiced))