Grilled Garlic Shrimp with Romesco Sauce

Name: Grilled Garlic Shrimp with Romesco Sauce
Ingredients: 2 pounds shrimp (16/20), peeled and deveined, tails on; 3 tablespoons olive oil; 2 teaspoons sugar; 1 teaspoon pimenton (smoked Spanish paprika); 1 teaspoon kosher salt; 3 cloves garlic, grated; 1 lemon, zested; Romesco Sauce, for serving, recipe follows; 1/4 cup marcona almonds, toasted; 1 (12-ounce) jar roasted red peppers, drained; 2 tablespoons sherry vinegar; 1/4 teaspoon cayenne pepper; 1 slice white bread (about 1-inch thick), crusts removed, toasted and torn into pieces; 1 large clove garlic, grated; Kosher salt and freshly cracked black pepper