Which food has less impact on blood sugar?

ROMAINE LETTUCE, JALAPENO RANCH DRESSING (SOYBEAN OIL, WATER, BUTTERMILK [CULTURED PASTEURIZED SKIM MILK AND MILK, SODIUM CITRATE AND SALT], GREEN JALAPENO PEPPER, EGG YOLKS, DISTILLED VINEGAR, SALT, SUGAR, CONTAINS LESS THAN 2% OF CIDER VINEGAR, SPICES, NON-FAT MILK SOLIDS, DEHYDRATED GARLIC, DEHYDRATED ONION, SODIUM BENZOATE AND POTASSIUM SORBATE [AS PRESERVATIVES], ACETIC ACID, DEHYDRATED RED BELL PEPPER, XANTHAN GUM, DEHYDRATED GREEN ONION, GUAR GUM, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR), GRILLED BEEF STRIPS (BEEF, WATER, LESS THAN 2% MODIFIED FOOD STARCH, SALT, NATURAL FLAVORS, VINEGAR, DEXTROSE, SODIUM PHOSPHATE, ONION, PAPRIKA, CARAMEL COLOR, SPICE), GRAPE TOMATOES, CHEDDAR/JACK CHEESE BLEND (CHEDDAR CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO {VEGETABLE COLOR}], MONTEREY JACK CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], POTATO STARCH AND POWDERED CELLULOSE [TO PREVENT CAKING], NATAMYCIN [A NATURAL MOLD INHIBITOR]), GREEN BELL PEPPER, RED ONION.