Which food has less impact on blood sugar?

BUFFALO RANCH DRESSING (SOYBEAN OIL, BUTTERMILK, WATER, DISTILLED VINEGAR, CAYENNE RED PEPPER, SALT, EGG YOLK, SUGAR, DEHYDRATED GARLIC, DEHYDRATED ONION, XANTHAN GUM, SPICE, LEMON JUICE CONCENTRATE, NATURAL FLAVOR, OLEORESIN PAPRIKA), ROMAINE LETTUCE, BROCCOLI STALK, RED CABBAGE, SAVOY CABBAGE, GREEN ONION, CARROT, BUFFALO CROUTON CRUMBLES (ENRICHED FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], CANOLA AND/OR SUNFLOWER OIL [WITH ROSEMARY EXTRACT AND ASCORBIC ACID {TO PRESERVE FRESHNESS}], SUGAR, SALT, 2% OR LESS OF YEAST, MALTODEXTRIN, CAYENNE PEPPER SAUCE POWDER [AGED RED PEPPERS, DISTILLED VINEGAR, SALT, GARLIC], WHEAT GLUTEN, YEAST EXTRACT, GARLIC POWDER, CITRIC ACID, ONION POWDER, CORNSTARCH, NATURAL FLAVORS [CONTAINS MILK], MILK, LACTIC ACID, WHITE DISTILLED VINEGAR POWDER, EXTRACTIVE OF PAPRIKA [COLOR], CORN SYRUP SOLIDS, EXTRACTIVES OF ANNATTO AND TURMERIC [COLOR]), MONTEREY JACK CHEESE (MONTEREY JACK CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], POWDERED CELLULOSE [TO PREVENT CAKING]).