Which food has less impact on blood sugar?

SEASONED CHICKEN BREAST (CHICKEN BREAST, WATER, CONTAIN 2% OR LESS OF DEXTROSE, SEA SALT, CARRAGEENAN, SEASONED SALT, [SALT, SODIUM DIACETATE, FLAVORINGS], VINEGAR SODIUM PHOSPHATE, SEASONING INGREDIENTS: DEXTROSE, SPICES, NATURAL FLAVOR [CONTAINS MALTODEXTRIN, SALT, MODIFIED FOOD STARCH], DEHYDRATED ONION AND GARLIC, SUGAR, CORN SYRUP SOLIDS, SODIUM DIACETATE, CITRIC ACID. BROWNED IN VEGETABLE OIL.), CROISSANT (ENRICHED FLOUR [(WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MALTED BARLEY FLOUR], WATER, MARGARINE, NONFAT DRY MILK, SUGAR, YEAST, SALT, DOUGH CONDITIONER [WHEAT FLOUR, DIACETYL TARTARIC ACID ESTERS OF MONO-DIGLYCERIDES (DATEM) AND 2% OR LESS OF EACH OF THE FOLLOWING: SOYBEAN OIL, ENZYMES (CONTAINS WHEAT), ASCORBIC ACID (VITAMIN C), L-CYSTEINE HYDROCHLORIDE], WHEAT GLUTEN, CALCIUM PROPIONATE, EGGLESS WASH. CASEIN (MILK), DISODIUM PHOSPHATE, SOY LECITHIN AND 2% OR LESS OF EACH OF THE FOLLOWING: SILICON DIOXIDE (FLOW AID), CARRAGEENAN, COLORS (TURMERIC, PAPRIKA).), FRESH MOZZARELLA (PASTEURIZED MILK, VINEGAR, ENZYMES, SALT), FIRE ROASTED RED PEPPERS (RED PEPPER, WATER, SALT AND CITRIC ACID), GREEN LEAF LETTUCE, MAYONNAISE PACKET (SOYBEAN OIL, WATER. EGG YOLKS, DISTILLED VINEGAR, CONTAINS LESS THAN 2% OF CORN SYRUP, SALT, SPICE, LEMON JUICE CONCENTRATE, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR)