"Forget Arby's! This keto onion bun chaffle with roast beef and copy cat Horsey sauce will have swooning and making sandwiches again! Low carb heaven!..."
INGREDIENTS
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1 egg
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1/2 cup grated mozzarella cheese
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1 tbsp minced onion
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salt to taste
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4 ounces deli roast beef or cold leftover roast beef
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1/2 cup mayonnaise
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2 tsp keto sweetener
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2 tbsp horseradish from a jar
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salt to taste