Which food has less impact on blood sugar?

ICEBERG LETTUCE, SALSA RANCH DRESSING (SOYBEAN OIL AND/OR CANOLA OIL, WATER, TOMATOES, INVERTED SUGAR, DISTILLED VINEGAR, EGG YOLK, TOMATO PASTE, CONTAINS LESS THAN 2% OF: CITRIC ACID, DEHYDRATED BUTTERMILK, DEHYDRATED CILANTRO, DEHYDRATED GARLIC, DEHYDRATED ONION, LEMON JUICE CONCENTRATE, NATURAL FLAVORS, PEPPER SAUCE [DISTILLED VINEGAR, RED PEPPER, SALT], SALT, SPICES [CONTAINS MUSTARD], XANTHAN GUM), GRILLED CHILI LIME SEASONED CHICKEN BREAST MEAT WITH RIB MEAT (CHICKEN BREAST MEAT WITH RIB MEAT, WATER, LESS THAN 2% BROWN SUGAR, SALT, RICE STARCH, SPICES [INCLUDING PAPRIKA], VINEGAR, CHILI PEPPER, NATURAL FLAVOR, LIME OIL), FOUR CHEESE BLEND (MONTEREY JACK AND QUESO QUESADILLA CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), ASADERO AND CHEDDAR CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO (VEGETABLE COLOR}], POTATO STARCH AND POWDERED CELLULOSE TO PREVENT CAKING], NATAMYCIN [A MOLD INHIBITOR]), GREEN LEAF LETTUCE, ROASTED CORN, TORTILLA STRIPS (STONE GROUND WHITE, YELLOW AND BLUE CORN MASA FLOUR, SUNFLOWER AND/OR CORN OIL, SEA SALT, BEET JUICE CONCENTRATE [COLOR]), CARROT, RED CABBAGE.