Which food has less impact on blood sugar?

SPRING MIX (BABY LETTUCES [LOLLO ROSSA, TANGO, RED AND GREEN OAK, RED LEAF, PARELLA], BABY GREENS [TATSOI, MIZUNA, RED AND GREEN CHARD, RED AND GREEN MUSTARD, FRISEE], BABY SPINACH, RADICCHIO. INGREDIENTS MAY VARY BY SEASON), BLEU CHEESE VINAIGRETTE (WATER, APPLE CIDER VINEGAR, CANOLA OIL, BLEU CHEESE [MILK, SALT, CULTURE, ENZYMES], SUGAR, SALT, BLEU CHEESE FLAVOR [BLEU CHEESE {MILK, CULTURE, SALT, ENZYMES}, CREAM, WATER, MILKFAT, SALT, DISODIUM PHOSPHATE, XANTHAN GUM], APPLE JUICE CONCENTRATE, SPICES, NATURAL FLAVOR, XANTHAN GUM, DRIED GARLIC), CHICKEN BREAST WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, SODIUM LACTATE, SEASONING [SALT, SUGAR, ARTIFICIAL CHICKEN FLAVOR {HYDROLYZED CORN PROTEIN, AUTOLYZED YEAST EXTRACT, THIAMINE HYDROCHLORIDE, DISODIUM INOSINATE, DISODIUM GUANYLATE}, DEXTROSE, NATURAL FLAVORING], MODIFIED POTATO STARCH, DEXTROSE, POTASSIUM LACTATE, SODIUM PHOSPHATES, SODIUM DIACETATE), EGG (HARD COOKED EGGS, CITRIC ACID, SODIUM BENZOATE AND NISIN PREPARATION [AS PRESERVATIVES]), MONTEREY JACK-COLBY CHEESE (MONTEREY JACK CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], COLBY CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO {COLOR}], POWDERED CELLULOSE [TO PREVENT CAKING], NATAMYCIN [MOLD INHIBITOR]), BLACK OLIVES (OLIVES, WATER, SALT, FERROUS GLUCONATE [TO STABILIZE COLOR]), BACON (CURED WITH WATER, SALT, SODIUM PHOSPHATES, SODIUM ERYTHORBATE, SODIUM NITRITE. MAY ALSO CONTAIN: SUGAR, BROWN SUGAR, AND SMOKE FLAVOR).