Which food has less impact on blood sugar?

SLICED CORNED BEEF [BEEF, CURED WITH A 10% SOLUTION OF: WATER, SALT, CONTAINS LESS THAN 2% OF: BROWN SUGAR CANE SUGAR NATRUAL GARLIC OIL(SUNFLOWER OIL AND FLAVOR), SODIUM PHOSPHATE POTASSIUM LACTATE, SODIUM PHOSPHATE, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE, FLAVORINGS], MARBLE RYE [ENRICHED FLOUR WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID, WATER, RYE FLOUR, WHEAT GLUTEN, CONTAINS LESS THAN 2% OF SOYBEAN OIL LACTIC ACID, SILICON DIOXIDE ACETIC ACID, OIL OF CARAWAY, GROUND CARAWAY, SALT, CULTURED WHEAT FLOUR, VINEGAR, SUGAR, CARAMEL COLOR, SUNFLOWER LECITHIN, CALCIUM SULFATE, ASCORBIC ACID ENZYMES, SOY LECITHIN], SWISS CHEESE [CULTURED PASTEURIZED PART-SKIN MILK, SALT, ENZYMES], BISTRO SAUCE [WATER VINEGAR, OLIVE OIL SOYBEAN OIL CANOLA OIL DIJON MUSTARD WATER VINEGAR MUSTARD SEED, SALT, WHITE WINE, FRUIT PECTIN, TARTARIC ACID 7% CITRIC ACID, SUGAR, SPICE), TOMATO PUREE [WATER, TOMATO PASTE), MODIFIED FOOD STARCH, HORSERADISH, SUGAR, CONTAINS LESS THAN 2% OF MALTODEXTRIN, EGGS, SALT, GARUC, SPICES (CONTAINS CELERY), LACTIC ACID, 8% LEMON JUICE, ENZYME MODIFIED EGG YOLK MOLASSES, PHOSPHORIC ACID, DRIED ONIONS, PROPYLENE GLYCOL ALGINATE, XANTHAN GUM, CORN SYRUP, DRIED GARLIC, CARAMEL COLOR, NATURAL AND ARTIFICIAL FLAVOR, TAMARIND, BETA-CAROTENE (COLOR), WITH POTASSIUM SORBATE, SODIUM BENZOATE, AND CALCIUM DISODIUM EDTA AS PRESERVATIVES], DILL PICKLE [FRESH CUCUMBERS, WATER, SALT, VINEGAR. CONTAINS LESS THAN 2% OF CALCIUM CHLORIDE SODIUM BENZOATE (PRESERVATIVE, SPICES CONTAINS MUSTARD), NATURAL FLAVOR, POLYSORBATE 80, DEHYDRATED RED BELL PEPPERS, TURMERIC EXTRACT (COLOR)].