Cheeseburger Sliders (Easy, 30-min Recipe) | The Mountain Church | Umami

Ingredients

• 2 lb lean ground beef (90/10 or 93/7 fat content)
• 1/2 Tbsp olive oil
• 1 tsp salt
• 1 tsp black pepper
• 1 tsp garlic powder
• 1/2 large yellow onion (finely diced)
• 1/4 cup mayonnaise
• 8 slices medium cheddar cheese
• 6 oz medium cheddar (shredded, or used more sliced cheese)
• 24 dinner rolls (or use 2 packs of 12)
• 2 Tbsp unsalted butter (melted, plus more to grease baking sheet)
• 1 Tbsp sesame seeds