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Roast Beef and Pesto Party Sliders

Counter 07 · Burgers & Sandwiches

Roast Beef and Pesto Party Sliders

Soft party rolls filled with rare roast beef, fresh mozzarella, roasted red peppers and spinach over a bright basil pesto mayo, each pinned with a pick for easy serving.

4.2 64 cooks rated this
Prep
25 min
Cook
10 min
Serves
12
Level
Easy
Free recipe Jump to method

Platters of small sandwiches disappear fast at any gathering, and these can be built hours ahead without going soggy. A pesto and mayonnaise blend acts as both spread and moisture barrier, so the bread stays soft rather than wet. Homemade pesto takes five minutes and tastes far greener than a jar. Fold the beef instead of laying it flat to give each slider some height, and add a pick before cutting so nothing slides apart on the tray. Cover with a damp towel until guests arrive.

Method

  1. Toast the pine nuts in a dry skillet over medium-low heat for 3 to 4 minutes, shaking often, until golden. Let cool.

  2. Pulse the basil, pine nuts, Parmesan, garlic and a pinch of salt in a food processor, then stream in the olive oil until smooth. Stir 1/3 cup of the pesto into the mayonnaise.

  3. Warm the split rolls on a sheet pan in a 350 F oven for 5 minutes, just enough to soften, then cool slightly.

  4. Spread pesto mayo on both cut sides. On the bottoms, layer spinach, folded roast beef, a slice of mozzarella and a few strips of red pepper.

  5. Close each slider and push a cocktail pick down through the center to hold it together.

  6. Arrange on a platter and serve at room temperature, or cover and refrigerate up to 2 hours.

Hand seasoning raw burger patties laid out on a grill grate
Seasoning raw patties right on the grill
Hand pressing burger patties on a wooden board outdoors before grilling
Pressing patties on a board before grilling

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