Which food has less impact on blood sugar?

GRILLED WHITE CHICKEN (GRILLED CHICKEN BREAST WITH RIB MEAT, WATER, CANOLA OIL AND EXTRA VIRGIN OLIVE OIL BLEND, LEMON JUICE, SODIUM TRIPOLYPHOSPHATE, SALT), ROMAINE LETTUCE, ICEBERG LETTUCE, DRESSING (NON FAT BUTTERMILK [WHEY, WATER, SKIM MILK POWDER, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN, LOCUST BEAN GUM, CULTURE], CANOLA OIL, WATER, AVOCADO, MALTODEXTRIN, NON FAT SOUR CREAM [CULTURED SKIM MILK, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN, LOCUST BEAN GUM], EGG YOLK, SUGAR, SALT, DISTILLED VINEGAR, APPLE CIDER VINEGAR, MODIFIED CORN STARCH, DRIED ONION, DEXTROSE, XANTHAN GUM, SOY SAUCE [WATER, WHEAT, SOYBEANS, SALT, ALCOHOL (TO RETAIN FRESHNESS), VINEGAR LACTIC ACID], DRIED GARLIC, SPICE, CULTURED DEXTROSE, DRIED GREEN ONION, WHEY POWDER, SKIM MILK POWDER, LACTIC ACID, CARRAGEENAN, CALCIUM DISODIUM EDTA [TO PROTECT QUALITY], NATURAL FLAVORS, BUTTER EXTRACTIVES, YELLOW 5 & 6, BLUE 1), GRAPE TOMATOES, HARD COOKED EGG (HARD COOKED EGGS, WATER. CITRIC ACID, SODIUM BENZOATE, AND NISIN PREPARATION [AS PRESERVATIVES]), BLUE CHEESE (MILK, CHEESE CULTURES, SALT, ENZYMES, POWDERED CELLULOSE TO PREVENT CAKING, NATAMYCIN TO PROTECT FLAVOR), FULLY COOKED SMOKED BACON (CURED WITH WATER, SALT, SMOKE FLAVORING, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE. MAY CONTAIN SUGAR, BROWN SUGAR), MULTIGRAIN CROUTONS (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], CANOLA AND/OR OLIVE OIL, SALT, SUGAR, RYE MEAL, WHEAT BRAN, YEAST, CARAMEL COLOR, DEHYDRATED GARLIC, CORN MEAL, SPICES, CARAWAY SEEDS, NATURAL BUTTER FLAVOR [A MILK INGREDIENT], CITRIC ACID, ASCORBIC ACID. BHT ADDED TO MAINTAIN FRESHNESS).