Which food has less impact on blood sugar?

FLATBREAD (ENRICHED WHEAT FLOUR [WHEAT FLOUR, ASCORBIC ACID, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME], WATER, SOYBEAN OIL, CULTURED WHEAT FLOUR, SALT, SUGAR, DRIED SOURDOUGH [WHEAT FLOUR, RYE FLOUR, YEAST, BACTERIAL CULTURE], YEAST, INACTIVE YEAST, EXTRA VIRGIN OLIVE OIL, VEGETABLE MONO- AND DIGLYCERIDES, DURUM WHEAT SEMOLINA), BBQ SAUCE (HIGH FRUCTOSE CORN SYRUP, WATER, TOMATO PASTE, MOLASSES, DISTILLED VINEGAR, SALT, CONTAINS LESS THAN 2% OF FOOD STARCH-MODIFIED, NATURAL SMOKE FLAVOR, SPICES [INCLUDES MUSTARD], SODIUM BENZOATE AND POTASSIUM SORBATE [AS PRESERVATIVES], ONION*, GARLIC*, NATURAL & ARTIFICIAL FLAVORS. *DEHYDRATED), HAND PULLED ROTISSERIE CHICKEN BREAST MEAT - SAVORY FULLY COOKED (CHICKEN BREAST MEAT, WATER, SEASONING [SALT, MALTODEXTRIN, NATURAL FLAVORS, ONION POWDER, YEAST EXTRACT, GARLIC POWDER, CANOLA OIL, CARRAGEENAN, LESS THAN 2% SILICONE DIOXIDE AS AN ANTI-CAKING AGENT], SODIUM TRIPOLYPHOSPHATE, SALT), 4-CHEESE BLEND (LOW MOISTURE PART SKIM MOZZARELLA CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], PROVOLONE CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], ASIAGO MEDIUM CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], IMPORTED ROMANO CHEESE [PASTEURIZED SHEEP'S MILK, CHEESE CULTURES, SALT, ENZYMES], PRODUCT OF FRANCE, RICE FLOUR AND CELLULOSE POWDER ADDED TO PREVENT CAKING, NATAMYCIN [A NATURAL MOLD INHIBITOR]), CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, ANNATTO VEGETABLE COLOR [IF COLORED], POTATO STARCH, CORN STARCH, CELLULOSE [ANTI-CAKING AGENTS]), FULLY COOKED SMOKED BACON (CURED WITH WATER, SALT, SMOKE FLAVORING, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE. MAY CONTAIN SUGAR, BROWN SUGAR), PARMESAN CHEESE (PARMESAN CHEESE [PASTEURIZED PART-SKIM COW'S MILK, CHEESE CULTURES, SALT, ENZYMES], POWDERED CELLULOSE ADDED TO PREVENT CAKING, NATAMYCIN [A NATURAL MOLD INHIBITOR]), GREEN ONION.