Which food has less impact on blood sugar?

DOUGH INGREDIENTS: WHOLE WHEAT FLOUR, ENRICHED FLOUR (BLEACHED WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SHORTENING (PARTIALLY HYDROGENATED SOYBEAN OIL, WATER, PARTIALLY HYDROGENATED COTTONSEED OIL, SALT, MONO AND DIGLYCERIDES, ARTIFICIAL FLAVOR, COLORED WITH ANNATTO, CALCIUM DISODIUM EDTA ADDED AS A PRESERVATIVE, VITAMIN A PALMITATE ADDED), SUGAR, SWEET WHEY, YEAST, FROZEN WHOLE EGG, SALT, DOUGH CONDITIONER (WHEAT FLOUR, DATEM, DEXTROSE, SOYBEAN OIL, ASCORBIC ACID, L-CYSTEINE, AZODICARBONAMIDE [ADA], ENZYMES). FILLING INGREDIENTS: COOKED PORK SAUSAGE; PORK, SALT, SPICES, GARLIC POWDER, PARTIALLY HYDROGENATED SOYBEAN OIL. CHEESE BLEND; COLBY AND MUENSTER CHEESES (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES AND ANNATTO [VEGETABLE COLOR]). SAUCE; WATER, TOMATO PUREE (TOMATO CONCENTRATE [TOMATO PASTE, WATER], CITRIC ACID), CRUSHED TOMATOES (TOMATOES, SALT, CITRIC ACID), SALT, SPICES, GARLIC POWDER, SOYBEAN OIL. JALAPENOS. PARMESAN CHEESE; PASTEURIZED MILK, CHEESE CULTURES, STARCH, PROTEIN, LACTOSE, WHEY SOLIDS AND CELLULOSE (TO PREVENT CAKING).