Grilled Cauliflower Steaks With Romesco and Manchego

Name: Grilled Cauliflower Steaks With Romesco and Manchego
Ingredients: 1 12-oz. jar roasted red peppers, drained; ¼ cup almond butter; 2 ½ tablespoons sherry vinegar; 7 tablespoons olive oil, divided; 1 ½ teaspoons kosher salt, divided; 1 large head cauliflower; ½ teaspoon freshly ground black pepper; 1 15.5-oz. can chickpeas, drained and rinsed; 4 cups baby arugula; 3 radishes, thinly sliced; 1 tablespoon fresh lemon juice (from 1 lemon); 2 ounces Manchego cheese, shaved (about 1¼ cups); ⅓ cup chopped roasted almonds