Plant-Based Sliders | America's Test Kitchen

Ingredients

• 2 tablespoons plant-based or egg-based mayonnaise
• 1 tablespoon ketchup
• 1 teaspoon sweet pickle relish
• ½ teaspoon sugar
• ½ teaspoon distilled white vinegar
• ½ teaspoon pepper
• 12 ounces plant-based ground meat
• ¼ teaspoon table salt
• ¼ teaspoon pepper
• 8 slider hamburger buns
• 4 slices plant-based or dairy cheese (4 ounces)
• 4 teaspoons vegetable oil , divided
• ¼ cup finely chopped onion , divided
• ¼ cup water , divided