Classic Burger Sliders on Sweet Potato Buns

Ingredients

• salt and pepper, to taste
• 1/2 tablespoon yellow mustard
• 1 teaspoon avocado oil
• 8 pickle slices
• 1 pound grass fed ground beef ((I used 85% lean))
• 1-2 small white sweet potatoes, cut into 1/2 inch rounds (about 400 grams for 2)*
• 1 cup shredded lettuce (60 grams)
• 8 slices red onion
• 2 roma tomatoes, sliced (128 grams)
• 4 tablespoons Sir Kensington's Special Sauce