Which food has less impact on blood sugar?

CROISSANT [WHEAT FLOUR, WATER, VEGETABLE OIL SPREAD (VEGETABLE FAT [PALM]), VEGETABLE OIL (SOYBEAN, SUNFLOWER), HIGH FRUCTOSE CORN SYRUP, WATER, EMULSIFIER (SUNFLOWER LECITHIN, MONO AND DIGLYCERIDES), CITRIC ACID, ARTIFICIAL FLOUR, MIXED TOCOPHEROLS EXTRACT, ASCORBYL PALMITATE, BETA-CAROTENE COLOR, YEAST, DEXTROSE, SUGAR, WHEAT GLUTEN, WHEAT FIBER, SALT, EMULSIFIER (DATEM), CELLULOSE GUM, COATING: EGGS], HAM WITH NATURAL JUICES [HAM, WATER, POTASSIUM LACTATE, SALT, SUGAR, SODIUM PHOSPHATES, SODIUM DIACETATE, SODIUM ERYTHORBATE, SODIUM NITRITE, CARAMEL COLOR], STONE GROUND MUSTARD MAYO SAUCE [SOYBEAN OIL AND/OR CANOLA OIL, STONE GROUND MUSTARD (DISTILLED VINEGAR, WATER, MUSTARD SEEDS, SALT, SPICES), WATER, HONEY, HORSERADISH (GRATED HORSERADISH ROOTS, DISTILLED VINEGAR, WATER, SALT, ORGANIC CORN STARCH), EGG YOLK, DISTILLED VINEGAR, GARLIC JUICE (GARLIC JUICE, SALT), GINGER, MIRIN (WATER, CORN SYRUP SOLIDS, DEXTROSE, DISTILLED VINEGAR, SOY SAUCE [WATER, WHEAT, SOYBEANS, SALT, ALCOHOL], MIRIN [WATER, RICE, ALCOHOL, SALT, ENZYME, KOJI]), NATURAL FLAVORS, SALT, SOY SAUCE (WATER, WHEAT, SOYBEANS, SALT, ALCOHOL, VINEGAR, LACTIC ACID), SPICES, SUGAR, XANTHAN GUM], GOUDA CHEESE [CULTURED PASTEURIZED MILK, SALT, ENZYMES, COLOR ADDED], GREEN LEAF LETTUCE