Ingredients

• 1 small onion, finely diced
• 1 teaspoon curry powder, preferably Madras
• 1 teaspoon dry mustard
• 1/2 teaspoon salt, optional
• 1/2 teaspoon black pepper
• 1/4 teaspoon cayenne pepper
• 1/4 cup honey
• 1/4 cup lemon juice
• 1/2 cup water