Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, ASCORBIC ACID, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, ENZYME], WATER, SOYBEAN AND/OR CANOLA OIL, CULTURED WHEAT FLOUR, SALT, SUGAR, DRIED SOUR DOUGH [WHEAT FLOUR, RYE FLOUR, YEAST, ASCORBIC ACID, ENZYME], VEGETABLE MONO-AND DIGLYCERIDES, YEAST, INACTIVE YEAST, EXTRA VIRGIN OLIVE OIL, ENZYME, DURUM WHEAT SEMOLINA), CHEESES (WHOLE MILK MOZZARELLA CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], DICED PROVOLONE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES], PARMESAN CHEESE [PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES], ROMANO CHEESE [PASTEURIZED COW'S MILK, CHEESE CULTURES, SALT, ENZYMES]), CALABRIAN PEPPER SAUCE (WATER, TOMATOES, CALABRIAN CHILI PEPPERS [CALABRIAN HOT CHILI PEPPERS, SUNFLOWER SEED OIL, SALT, VINEGAR, BASIL], SEASONING [SALT, SPICES, DEHYDRATED GARLIC, CITRIC ACID]), SALAMI (((PORK, BEEF, NONFAT DRY MILK, SALT, CONTAINS 2% OR LESS OF: SUGAR, CORN SYRUP SOLIDS, SPICE, WINE [CONTAINS SALT, POTASSIUM SORBATE {PRESERVATIVE}], GARLIC POWDER, SODIUM ASCORBATE, LACTIC ACID STARTER CULTURE, SODIUM NITRITE, SODIUM NITRATE, BHA [PRESERVATIVE], BHT [PRESERVATIVE], CITRIC ACID))), HONEY, BASIL.