Which food has less impact on blood sugar?

CRUST (WHEAT FLOUR, WATER, OLIVE OIL, CONTAINS 2% OR LESS OF THE FOLLOWING: SALT, YEAST, FERROUS SULFATE, NIACIN, WHEAT FLOUR, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID, SOY LECITHIN [PROCESSING AID]), SAUCE (WATER, TOMATOES, FRUCTOSE, MODIFIED FOOD STARCH, MOLASSES [REFINERY SYRUP, CANE MOLASSES, CANE CARAMEL COLOR], SALT, SPICE, NATURAL FLAVORS INCLUDING SMOKE, GARLIC POWDER, CARAMEL COLOR [SULFITES], XANTHAN GUM, CITRIC ACID, VINEGAR), CHEESES (WHITE CHEDDAR CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], LOW MOISTURE WHOLE MILK MOZZARELLA CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES]), CHICKEN (BONELESS SKINLESS CHICKEN BREAST MEAT WITH RIB MEAT, WATER, ISOLATED SOY PROTEIN PRODUCT [ISOLATED SOY PROTEIN, MODIFIED FOOD STARCH, UNMODIFIED CORN STARCH, CARRAGEENAN WITH LESS THAN 2% SOY LECITHIN], SEASONING [POTASSIUM CITRATE, CITRIC ACID, SODIUM DIACETATE, VEGETABLE OIL], SALT, SODIUM PHOSPHATES, CARRAGEENAN), ROASTED RED ONIONS, COOKED BACON (PORK CURED WITH WATER, SALT, SUGAR, SMOKE FLAVORING, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE), BUFFALO SEASONING (HOT SAUCE POWDER [AGED CAYENNE PEPPERS, VINEGAR, SALT, GARLIC, MALTODEXTRIN, MODIFIED FOOD STARCH], SALT, SUGAR, SPICE, ONION POWDER, GARLIC POWDER, CORN STARCH, NATURAL & ARTIFICIAL FLAVORS INCLUDING GRILL, EXTRACTIVE OF PAPRIKA), PARSLEY.