Which food has less impact on blood sugar?

LETTUCE MIX (ICEBERG AND GREEN LEAF LETTUCES), TURKEY BREAST (TURKEY BREAST, WATER, CONTAINS 2% OR LESS OF: SALT, SUGAR, VINEGAR, CULTURED CELERY JUICE, CHERRY POWDER), BLUE CHEESE DRESSING (CANOLA OIL, NONFAT BUTTERMILK [WHEY, WATER, SKIM MILK POWDER, CORN STARCH, TAPIOCA STARCH, CARRAGEENAN, LOCUST BEAN GUM, CULTURE], BLUE CHEESE [MILK, SALT, CULTURE, ENZYMES], WATER, EGG YOLK, DISTILLED VINEGAR, LESS THAN 2% OF DRIED GARLIC, SPICE, SALT, SUGAR, NATURAL FLAVOR, XANTHAN GUM, GUAR GUM, GROUND MUSTARD, PHOSPHORIC ACID, MALTODEXTRIN, CULTURED DEXTROSE), HARD COOKED EGGS, BLUE CHEESE (BLUE CHEESE [PASTEURIZED MILK, SALT, CHEESE CULTURES, ENZYMES, PENICILLIUM ROQUEFORTI], POWDERED CELLULOSE [TO PREVENT CAKING]), BACON (CURED WITH WATER, SALT, SODIUM PHOSPHATES, SODIUM ERYTHORBATE, SODIUM NITRITE, MAY ALSO CONTAIN: SUGAR, BROWN SUGAR, AND NATURAL SMOKE FLAVOR), MULTIGRAIN CROUTON (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], CANOLA OIL AND/OR OLIVE OIL, SALT, SUGAR, RYE MEAL, WHEAT BRAN, YEAST, CARAMEL COLOR, DEHYDRATED GARLIC, CORN MEAL, SPICES, CARAWAY SEEDS, NATURAL BUTTER FLAVOR [MILK], CITRIC ACID, ASCORBIC ACID).