Toast the slider Hamburger Bun (3) on both sides until browned.
Sautee diced White Onion (1/2) and Garlic Paste (2 teaspoon) in Extra-Virgin Olive Oil (1 tablespoon) until onions are slightly softened.
Once the diced white onion begins to soften, add the finely diced Scallion (2)and the diced Red Bell Pepper (1).
Once the vegetables begin to brown, add the Dijon Mustard (1 tablespoon) Horseradish Paste (1 tablespoon), Sriracha (1 tablespoon) and Kosher Salt (1 teaspoon) and Cooked Shrimp (0.5 pound).
Sautee the cooked shrimp for one minute.
Top the slider Hamburger Buns with the sautéed shrimp.
Top with the slider hamburger buns, serve, and enjoy!