Which food has less impact on blood sugar?

BREAD (ENRICHED WHEAT FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, YEAST, CONTAINS 2% OR LESS OF THE FOLLOWING: SOYBEAN OIL, WHEAT GLUTEN, SALT, SUGAR, ACETIC ACID, LACTIC ACID, FUMARIC ACID, ASCORBIC ACID, ENZYMES, CALCIUM PROPIONATE [PRESERVATIVE]), SAUCE (WATER, TOMATO PASTE, SUGAR, SOYBEAN OIL, MODIFIED FOOD STARCH, GARLIC, SPICES, SALT, DISTILLED VINEGAR, ONION, CULTURED DEXTROSE, POTASSIUM CHLORIDE, GARLIC POWDER, GROUND PAPRIKA, NATURAL HICKORY SMOKE FLAVOR), LOW MOISTURE PART-SKIM MOZZARELLA CHEESE (PASTEURIZED PART-SKIM MILK, CHEESE CULTURES, SALT, ENZYMES), PEPPERONI MADE WITH PORK, CHICKEN, AND BEEF (PORK, MECHANICALLY SEPARATED CHICKEN, BEEF, SALT, CONTAINS 2% OR LESS OF: SPICES, DEXTROSE, PORK STOCK, LACTIC ACID STARTER CULTURE, OLEORESIN OF PAPRIKA, FLAVORING, SODIUM NITRITE, SODIUM ASCORBATE, PAPRIKA, PROCESSED WITH NATURAL SMOKE FLAVOR. BHA, BHT, CITRIC ACID TO HELP PROTECT FLAVOR), MARGARINE (SOYBEAN OIL, WATER, VEGETABLE MONO & DIGLYCERIDES, SALT, NATURAL FLAVOR [INCLUDES MILK], VITAMIN A PALMITATE ADDED, VITAMIN D3)