Which food has less impact on blood sugar?

ROMAINE LETTUCE, DRESSING (MAYONNAISE [SOYBEAN OIL, WATER, WHOLE EGGS AND EGG YOLKS, VINEGAR, SALT, SUGAR, LEMON JUICE, CALCIUM DISODIUM EDTA {TO PROTECT QUALITY}, NATURAL FLAVORS], PICANTE SAUCE [CRUSHED TOMATOES {WATER, CRUSHED TOMATO CONCENTRATE}, WATER, JALAPENO PEPPERS, ONIONS, DISTILLED VINEGAR, DEHYDRATED ONIONS, SALT, DEHYDRATED GARLIC, NATURAL FLAVORING], BUTTERMILK [CULTURED REDUCED FAT MILK, SALT], SOUR CREAM [CULTURED PASTEURIZED CREAM AND MILK, NONFAT DRY MILK, MODIFIED FOOD STARCH, SODIUM PHOSPHATE, GUAR GUM, CARRAGEENAN, SODIUM CITRATE, LOCUST BEAN GUM], GREEN CHILI PEPPERS, FRENCH ONION SOUP MIX [DEHYDRATED ONIONS, POTATO STARCH, SALT, HYDROLYZED CORN PROTEIN, BEEF FAT, MALTODEXTRIN, LACTOSE {MILK}, HYDROLYZED SOY PROTEIN, SUGAR, AUTOLYZED YEAST EXTRACT, HYDROLYZED WHEAT PROTEIN, CARAMEL COLOR, NATURAL FLAVOR, ONION JUICE CONCENTRATE, GUM ARABIC, SPICE, BHA AND PROPYL GALLATE {USED TO PROTECT QUALITY}, CITRIC ACID], SOYBEAN OR CANOLA OIL, CHILI POWDER, CUMIN, POTASSIUM SORBATE), GRILLED SEASONED CHICKEN BREAST (CHICKEN BREAST WITH RIB MEAT, WATER, LESS THAN 2% POTATO STARCH, SALT, SUGAR, GRANULATED GARLIC, BLACK PEPPER), CORN (CORN, WATER, SUGAR, SALT), BLACK BEANS (WATER, BLACK BEANS, LESS THAN 2% OF: ONION POWDER, SALT, GARLIC POWDER, AND FERROUS GLUCONATE [TO PROMOTE COLOR RETENTION]), CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, ANNATTO COLOR, POTATO STARCH, CORN STARCH, CELLULOSE POWDER ADDED TO PREVENT CAKING, NATAMYCIN [A NATURAL MOLD INHIBITOR]), TOMATOES, RED PEPPERS.