Which food has less impact on blood sugar?

CHICKEN SALAD (CHICKEN BREAST (BONELESS SKINLESS CHICKEN BREAST), WATER, POMACE OLIVE OIL (OLIVE OIL), SALT, WORCESTERSHIRE SAUCE (DISTILLED WHITE VINEGAR, MOLASSES, WATER, SUGAR, ONIONS, ANCHOVIES, SALT, GARLIC, CLOVES, TAMARIND EXTRACT, NATURAL FLAVORINGS, CHILI PEPPER EXTRACT), ONION POWDER, GARLIC POWDER), MAYONNAISE (VEGETABLE OIL (SOYBEAN, CANOLA), WHOLE EGGS, VINEGAR, WATER, CORN SYRUP, CONTAINS LESS THAN 2% OF: SALT, EGG YOLK, LEMON JUICE CONCENTRATE, CALCIUM DISODIUM EDTA TO PROTECT FLAVOR, NATURAL FLAVORS, PAPRIKA SPICES), SOUR CREAM (CULTURED CREAM, MODIFIED CORN STARCH, SODIUM PHOSPHATE, GUAR GUM, CARRAGEENAN, LOCUST BEAN GUM), CELERY, RED ONION, LEMON JUICE, SALT, BLACK PEPPER, WHITE PEPPER), CROISSANT (ENRICHED WHEAT FLOUR (UNBLEACHED WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ), WATER, MARGARINE(PARTIALLY HYDROGENATED SOYBEAN AND COTTONSEED OILS, WATER, SUGAR, SOYBEAN LECITHIN (SOY), MONO AND DIGLYCERIDES, ARTIFICIAL FLAVOR, BETA CAROTENE [COLOR], VITAMIN A PALMITATE ADDED), SUGAR, CONTAINS 2% OR LESS OF: SALT, NON FAT DRY MILK POWDER (NON FAT DRY MILK, WHEY), YEAST AND BAKING POWDER (SODIUM ACID PYROPHOSPHATE, SODIUM BICARBONATE, CORN STARCH, MONOCALCIUM PHOSPHATE), FOR LEAVENING, DOUGH CONDITIONER (DATEM, CALCIUM SULFATE, SOYBEAN OIL, ENZYME, ASCORBIC ACID, L-CYSTEINE), VITAL WHEAT GLUTEN, NATURAL BUTTER POWDER (NATURAL FLAVOR, DEXTROSE, MALTODEXTRIN, PROPYLENE GLYCOL), EGGS, CALCIUM PROPYLENE GLYCOL), EGGS, CALCIUM PROPIONATE, POTASSIUM SORBATE AND CITRIC ACID (PRESERVATIVES)), GREEN LEAF LETTUCE.