Which food has less impact on blood sugar?

DRESSING (WATER. BALSAMIC VINEGAR, CANOLA OIL, FRUCTOSE, PARMESAN CHEESE [PART SKIM MILK, CULTURE, SALT, ENZYMES], LESS THAN 2% OF SALT, SPICES, XANTHAN GUM, DRIED GARLIC, GUAR GUM), GRILLED WHITE CHICKEN (COOKED CHICKEN BREAST WITH RIB MEAT. WATER, CONTAINS LESS THAN 2% OF CHICKEN BASE MARINADE [SALT, DEHYDRATED CHICKEN BROTH, RICE STARCH, YEAST EXTRACT, SAFFLOWER OIL, NATURAL FLAVORS, RENDERED CHICKEN FAT, SOYBEAN OIL, CANOLA OIL, EXTRACTIVE OF CARROT (COLOR), WITH NOT MORE THAN 2% SILICON DIOXIDE ADDED AS AN ANTI-CAKING AGENT]), SPRING MIX AND BABY TANGO BLEND (SPRING MIX [BABY LETTUCES (RAD OAK LEAF, GREEN OAK LEAF, RED LEAF, LAILA ROSA, TANGO), RED CHARD, GREEN CHARD, MIZUNA, ARUGULA, MACHE, FRISEE, RADICCHIO. GREENS MAY VARY BY SEASON]), RED GRAPES, SPINACH, FETA CHEESE (PASTEURIZED MILK, SALT, CHEESE CULTURE, ENZYMES, POTATO STARCH [ADDED TO PREVENT CAKING]), DRIED CRANBERRIES (CRANBERRIES, SUGAR, SUNFLOWER OIL [EXPELLER PRESSED]), CANDLED PECANS (SUGAR, PECANS, BUTTER [CREAM, NATURAL FLAVOR], CORN SYRUP, NATURAL FLAVOR & SALT).