Which food has less impact on blood sugar?

SEASONED GRILLED CHICKEN (WHITE MEAT CHICKEN, WATER, SALT, SPICES, DEHYDRATED ONION, DEHYDRATED GARLIC), ROMAINE LETTUCE, ICEBERG LETTUCE, DRESSING (LOW FAT BUTTERMILK [SKIM MILK, WHEY, WATER, SKIM MILK SOLIDS, WHEY SOLIDS, CORN STARCH, TAPIOCA STARCH, DISODIUM PHOSPHATE, CARRAGEENAN GUM, LOCUST BEAN GUM, CULTURE], CANOLA OIL, WATER, AVOCADO PULP, NON FAT SOUR CREAM [CULTURED SKIM MILK, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN GUM, LOCUST BEAN GUM], MALTODEXTRIN, EGG YOLK, SUGAR, SALT, DISTILLED VINEGAR, CIDER VINEGAR, NATURAL FLAVORS, MODIFIED CORN STARCH, DRIED ONION, XANTHAN GUM, CARRAGEENAN GUM, DRIED GARLIC, SOY SAUCE [WATER, WHEAT, SOYBEANS, SALT, LACTIC ACID], CULTURED DEXTROSE, SPICE, DRIED GREEN ONION, LACTIC ACID, YELLOW 5 & 6, BLUE 1, CALCIUM DISODIUM EDTA [ADDED TO PROTECT FLAVOR QUALITY]), GRAPE TOMATOES, HARD COOKED EGG (WHOLE HARD COOKED EGGS, WATER, CITRIC ACID, SODIUM BENZOATE, NISIN PREPARATION AS PRESERVATIVES), BLEU CHEESE CRUMBLES (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, POWDERED CELLULOSE [TO PREVENT CAKING], NATAMYCIN [TO PROTECT FLAVOR]), 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), BACON (CURED WITH WATER, SALT, SUGAR, SODIUM ERYTHORBATE AND/OR SODIUM ASCORBATE, SODIUM NITRITE. MAY CONTAIN NATURAL SMOKE FLAVORINGS, SODIUM PHOSPHATE).