Grilled Bread Salad with Sweet Peppers and Onions

Ingredients
Method
Prepare grill for medium-high heat. Toss bread with 2 tablespoons oil in a medium bowl; season with salt and pepper. Toss bell peppers and onions with 2 tablespoons oil; season with salt and pepper.
Grill bread, turning occasionally, until golden brown, 8-10 minutes. Transfer to a plate.
Grill vegetables, turning often, until very tender and charred in spots, 8-10 minutes for peppers and 10-12 minutes for onions; transfer to a cutting board.
Trim root end from onions and separate layers. Transfer to a large bowl, add vinegar and paprika, and toss to coat. Remove as much skin as possible from peppers; discard. Cut into 1 1/2" strips.
Add peppers, grilled bread, 2 tablespoons chives, and remaining 2 tablespoons oil to bowl with onions and toss to combine; season with salt, pepper, and more vinegar, if desired. Serve topped with more chives.