By leah koenig
910g red or Yukon Gold potatoes, peeled and cut into 1.25cm pieces
6 tbsp vegetable oil
1 large sweet onion, finely chopped
1 red bell pepper, finely chopped
4 garlic cloves, thinly sliced
¾ tsp kosher salt, plus more as needed
Freshly ground black pepper
115g thick-cut pastrami or salt beef, cut into bite-size piecesSnipped chives, for serving