Which food has less impact on blood sugar?

PANINI BREAD (FLOUR [UNBLEACHED WHEAT FLOUR, BARLEY MALT], WATER, YEAST SALT, DIAMMONIUM PHOSPHATE, CORN STARCH, VEGETABLE MONO AND DIGLYCERIDES, POTASSIUM IODATE, ENZYMES, CALCIUM PROPIONATE TO RETARD SPOILAGE), ROASTED BREAST OF TURKEY COATED WITH SEASONING (INGREDIENTS: TURKEY BREAST, WATER, CONTAINS LESS THAN ONE AND ONE HALF PERCENT OF SALT, SUGAR, SODIUM PHOSPHATE AND DEXTROSE. COATED WITH: DEXTROSE, SALT, HONEY SOLIDS [REFINERY SYRUP, HONEY], PAPRIKA, SPICES, ONION, NATURAL FLAVORS, EXTRACTIVES OF PAPRIKA AND TURMERIC), PROVOLONE CHEESE (PASTEURIZED WHOLE MILK, CHEESE CULTURE, SALT, ENZYMES), HONEY MUSTARD (HONEY, MUSTARD SEED, VINEGAR, SUGAR, MOLASSES, SALT, HORSERADISH, SPICES, AND GUAR GUM), BABY SPINACH.