Which food has less impact on blood sugar?

PASTRAMI BEEF FLAT ([COATED WITH: SPICES, SALT, CARAMEL COLOR, SUGAR, NATURAL SMOKE FLAVOR.] BEEF, WATER, POTASSIUM LACTATE, ISOLATED SOY PROTEIN [CONTAINS SOY LECITHIN], SALT, SODIUM PHOSPHATES, SUGAR SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE, FLAVORING.), ONION ROLL (ENRICHED WHEAT FLOUR (WITH NIACIN, REDUCED IRON, THIAMINE, , MONONITRATE, RIBOFLAVIN AND FOLIC ACID), WATER, SOYBEAN OIL, YEAST, SUGAR, SALT, ENZYME, CALCIUM, CALCIUM PROPIONATE (AS A MOLD INHIBITOR), STRENGTHENER {ENRICHED WHEAT FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE. RIBOFLAVIN, FOLIC ACID).ENZYMES.}, DOUGH CONDITIONER{ENRICHED WHEAT FLOUR( WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMIN MONONITRATE, RIBOFLAVIN, FOLIC ACID), ASCORBIC ACID, WHEAT GLUTEN, ENZYMES.), TOPPING WITH FULLY BAKED DRY ONION), PICKLE DILL CHIPS (PICKLES, WATER, DISTILLED VINEGAR, SALT, CONTAINS LESS THAN 2% OF THE FOLLOWING: CALCIUM CHLORIDE, ALUM, NATURAL FLAVORS, SODIUM BENZOATE (PRESERVATIVE), POLYSORBATE 80, FD AND C YELLOW #5 AND BLUE #1.), CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO (COLOR)), COLESLAW (CABBAGE, CARROTS, RED CABBAGE, THOUSAND ISLAND DRESSING (SOYBEAN OIL, WATER, CORN SYRUP, VINEGAR, HIGH FRUCTOSE CORN SYRUP, PICKLES, TOMATO PASTE, EGG YOLK, MODIFIED FOOD STARCH, CONTAINS LESS THAN 2% OF SALT, SPICE, SODIUM BENZOATE, POTASSIUM SORBATE AND CALCIUM DISODIUM EDTA (PRESERVATIVES), PROPYLENE GLYCOL ALGINATE. XANTHAN GUM, GARLIC, BELL PEPPER. ONION", NATURAL FLAVOR, OLEORESIN TURMERIC. *DRIED)), YELLOW MUSTARD (DISTILLED VINEGAR, WATER, #1 GRADE MUSTARD SEED, SALT, TURMERIC, PAPRIKA, SPICE, NATURAL FLAVOR AND GARLIC POWDER)