Which food has less impact on blood sugar?

SANDWICH: (TURKEY BREAST [TURKEY BREAST, TURKEY BROTH, CONTAINS LESS THAN 2% OF SALT, POTASSIUM LACTATE, SODIUM LACTATE, CARRAGEENAN, SODIUM PHOSPHATE, SODIUM DIACETATE], BREAD [ORGANIC SPROUTED WHEAT, WATER, ORGANIC WHEAT FLOUR, ORGANIC HONEY, ORGANIC STEEL CUT OATS, ORGANIC CANOLA OIL, ORGANIC WHEAT BRAN, ORGANIC WHOLE WHEAT FLOUR, SEA SALT, ORGANIC RAISIN JUICE CONCENTRATE, ORGANIC CULTURED WHEAT {FOR FRESHNESS} AND ASCORBIC ACID {CONDITIONER}, YEAST], SWISS CHEESE [PART SKIM MILK, CHEESE CULTURE, SALT, ENZYME], LETTUCE. SALAD: LETTUCE MIX (ROMAINE LETTUCE, SPRING MIX LETTUCE [MAY CONTAIN SOME OR ALL OF THE FOLLOWING BABY WHOLE LEAF VARIETIES: GREEN LEAF, MIZUNA, GREEN ROMAINE, TANGO, GREEN OAK, GREEN CHARD, BABY SPINACH, ARUGULA, FRISEE, TATSOI, MACHE, RED CHARD, RED LEAF, LOLLA ROSA, RED ROMAINE, RED MUSTARD, RADICOHIO, RED OAK, BEET TOPS]), RANCH DRESSING [SOYBEAN OIL, WATER, BUTTERMILK {CULTURED PASTEURIZED SKIM MILK AND MILK, SODIUM CITRATE AND SALT}, RANCH SEASONING & SPICES{SALT, MODIFIED FOOD STARCH, MONOSODIUM GLUTAMATE, SUGAR, DEHYDRATED GARLIC, DEHYDRATED ONION, MAYONNAISE SEASONING (DEXTROSE, MODIFIED FOOD STARCH, NATURAL FLAVOR, ARTIFICIAL FLAVOR, FRACTIONATED COCONUT OIL), WHEY PROTEIN CONCENTRATE, CORN SYRUP SOLIDS, LESS THAN 2% OF XANTHAN GUM, BLACK PEPPER, PARSLEY FLAKES, SORBIC ACID, CITRIC ACID, BUTTERMILK FLAVOR, SOYBEAN OIL, CALCIUM STEARATE, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR}, EGG YOLKS, CONTAINS LESS THAN 2% OF DISTILLED VINEGAR, SALT, XANTHAN GUM, NATURAL FLAVOR {INCLUDES MILK}], TOMATOES, CARROTS.