INGREDIENTS
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Cake:
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1/2 (15.25 ounce) package devil's food cake mix
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1/4 cup vegetable oil
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1 egg
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1/2 cup semi-sweet chocolate chips
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1 pinch flaked salt (optional)
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Toppings:
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1 quart vanilla ice cream
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1/2 cup chopped walnuts, or more to taste
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1/3 cup hot fudge, or more to taste