01 - Preheat oven to 400°F. Line a baking sheet with parchment paper.
02 - Place chicken breasts between two sheets of plastic wrap and pound to even 1/2-inch thickness.
03 - Rub chicken with olive oil, smoked paprika, garlic powder, salt, and black pepper.
04 - Bake chicken on the prepared sheet for 15-18 minutes, or until cooked through. Let rest 5 minutes, then slice into slider-sized pieces.
05 - Whisk together mayonnaise, Dijon mustard, honey, lemon juice, and a pinch of salt to make the honey mustard sauce.
06 - Cook bacon in a skillet over medium heat until crisp. Drain on paper towels.
07 - Brush slider buns with melted butter and toast, cut side down, in a pan or oven until golden.
08 - Spread honey mustard sauce on the bottom half of each bun. Layer with lettuce, sliced chicken, tomato, and bacon. Top with the remaining bun halves.
09 - Serve immediately, securing each slider with a toothpick if desired.