Which food has less impact on blood sugar?

CRUST (WHEAT FLOUR, WATER, SOYBEAN OIL, CULTURED WHEAT FLOUR, SALT, SUGAR, RYE FLOUR, YEAST, EXTRA VIRGIN OLIVE OIL, ASCORBIC ACID, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, ENZYMES, FOLIC ACID, MONO- AND DIGLYCERIDES, DURUM WHEAT SEMOLINA), MOZZARELLA CHEESE (MILK, SALT, CALCIUM CHLORIDE, CULTURES, ENZYMES, ANNATTO COLOR (MAY BE ADDED)), GRAVY (WATER, MALTODEXTRIN, ENRICHED BLEACHED FLOUR (WHEAT FLOUR, NIACIN, IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), FOOD STARCH-MODIFIED, PALM OIL, CORY SYRUP SOLIDS, SALT, BLACK PEPPER, CHICKEN FAT, BACON FAT, CHICKEN, GARLIC, SPICE, SUGAR, NONFAT MILK, NATURAL FLAVORS, SOY FLOUR, SODIUM CASEINATE, WHEY, WHEY PROTEIN CONCENTRATE, HYDROLYZED VEGETABLE PROTEIN (CORN, SOY, AND/OR WHEAT), AUTOLYZED YEAST EXTRACT, MONO & DIGLYCERIDES, TURMERIC, DISODIUM GUANYLATE, DISODIUM INOLINATE), EGGS (WHOLE EGGS, SKIM MILK, SOYBEAN OIL, MODIFIED FOOD STARCH, SALT, XANTHAN GUM, LIQUID PEPPER EXTRACT, CITRIC ACID), SAUSAGE (PORK, WATER, SALT, SPICES, SUGAR, FLAVORING), BACON (CURED WITH WATER, SALT, SUGAR, SODIUM ERYTHORBATE, SODIUM NITRITE, MAY ALSO CONTAIN SMOKE FLAVORING, DEXTROSE, SODIUM PHOSPHATE, POTASSIUM CHLORIDE, SODIUM DIACETATE, FLAVORING, HONEY)