Butter parchment paper with 1/2 tablespoon salted butter and use it to line a 8x8” baking dish. Set aside. (I find it’s helpful to dot a little butter on the dish itself underneath the parchment so it sticks, because this batter is sticky and thick!)
In a small saucepan or pot over medium-low heat, add 2 & 1/2 cups of semi sweet chocolate chips, 3 tablespoons of salted butter, a 14 ounce can sweetened condensed milk, 1/4 cup finely chopped walnuts, and 1/2 teaspoon of vanilla extract.
Turn heat up to medium for 1-2 minutes, stirring constantly. The mixture will begin to slowly melt. Once you see the chocolate chips begin to lose their shape, turn the heat back down to low, continuing to stir.
Once the batter is smooth, very thick, and glossy, use a spoon or rubber spatula to scoop it out and into your buttered and parchment-lined baking dish.
You need to work fast, so smooth it out quickly!
Sprinkle over 2 tablespoons walnuts or your desired toppings.
Transfer to the refrigerator to chill for 2-3 hours.
Slice into 1 inch squares and enjoy!
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Notes
Work fast! You'll want to work fast when you're spreading your chocolate fudge into the baking dish. It cools quickly and will begin to set fast, so make sure you’ve got your parchment-lined dish buttered and ready to go first.Dairy-free options. If you're avoiding dairy, this recipe also works with margarine and dairy-free (coconut-based) condensed milk! Dairy-free chocolate chips are easy to find, and dark chocolate chips will do great for a deeper cocoa flavor.