Which food has less impact on blood sugar?

BREAD (ENRICHED UNBLEACHED WHEAT FLOUR [FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, SOYBEAN OIL, CONTAINS 2% OR LESS OF SUGAR, SALT, PALM OIL, YEAST, DOUGH CONDITIONERS [ENZYMES, SWEET WHEY, AMMONIUM SULFATE, L-CYSTEINE, CORN STARCH, VEGETABLE MONO AND DIGLYCERIDES, ASCORBIC ACID, HYDRATED MONOGLYCERIDES, ISOLATED SOY PROTEIN, MODIFIED CELLULOSE, SOY LECITHIN]), SAUCE (WATER, TOMATO PASTE, MARGARINE [LIQUID AND HYDROGENATED SOYBEAN OIL, WATER, SALT, VEGETABLE MONO AND DIGLYCERIDES, SOY LECITHIN, NATURAL FLAVOR, BETA CAROTENE {FOR COLOR}, VITAMIN A PALMITATE], MODIFIED CORN STARCH, CONTAINS 2% OR LESS OF SUGAR, SEASONING BLEND [DEHYDRATED ONION AND GARLIC, SPICES], SALT SUBSTITUTE [SODIUM CHLORIDE, POTASSIUM CHLORIDE, SODIUM GLUCONATE], GARLIC PUREE [GARLIC, CITRIC ACID], DEHYDRATED GARLIC, DEHYDRATED PARMESAN CHEESE [PART SKIM MILK, CULTURES, SALT, ENZYMES], DISODIUM PHOSPHATE), LOW MOISTURE PART SKIM MOZZARELLA CHEESE (PASTEURIZED PART SKIM MILK, CULTURES, SALT, ENZYMES), ITALIAN SAUSAGE (PORK, WATER, SPICES, SALT, DEXTROSE, FLAVORINGS, TBHQ, BHT, CITRIC ACID), PEPPERONI (PORK AND BEEF, SALT, SPICES, DEXTROSE, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM ASCORBATE, SODIUM NITRITE, BHA, BHT, CITRIC ACID), BACON (CURED WITH WATER, SALT, SUGAR, SODIUM PHOSPHATE, SODIUM ERYTHORBATE, SODIUM NITRITE), SMOKE FLAVORING.