2 to 2 1/2 pounds
                        tomatoes (any ripe, red, juicy variety)
                                        
                        
                        1
                        small onion, roughly chopped
                                        
                        
                        6
                        cloves garlic, peel left on
                                        
                        
                        5 to 6 sprigs
                        fresh oregano
                                        
                        
                        3 tablespoons
                        olive oil
                                        
                        
                        1 teaspoon
                        kosher salt, or to taste
                                        
                        
                        2 cups
                        chicken stock or canned low-sodium broth
                                        
                        
                        1 pinch
                        sugar
                                        
                        
                        1 pinch
                        dried red pepper flakes
                                        
                        
                        1 teaspoon
                        red wine vinegar or lemon juice
                                        
                        
                        4 tablespoons
                        roughly chopped fresh basil
                                        
                        
                        1/4
                        Hellman's or other good-quality mayonnaise
                                        
                        
                        3 ounces
                        thick-cut bacon, diced
                                        
                        
                        1 splash
                        olive oil, plus more to dress the arugula
                                        
                        
                        1 pinch
                        kosher salt
                                        
                        
                        1 cup
                        baby arugula leaves (or other small lettuce leaves)