Which food has less impact on blood sugar?

CROISSANT (ENRICHED WHEAT FLOUR (UNBLEACHED WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, MARGARINE (PALM OIL, WATER, SOYBEAN OIL, SALT, SUGAR, SOYBEAN LECITHIN, WHEY, MONO & DIGLYCERIDES, POTASSIUM SORBATE AND CITRIC ACID [PRESERVATIVES], NATURAL AND ARTIFICIAL BUTTER FLAVOR, BETA CAROTENE [COLOR], VITAMIN A PALMITATE ADDED), CRYSTALLINE FRUCTOSE, CONTAINS 2% OR LESS OF: NON FAT DRY MILK POWDER (NON FAT DRY MILK, WHEY), SALT, YEAST, DOUGH CONDITIONER (GUAR AND/OR ARABIC GUMS, DATEM, CALCIUM SULFATE, ENZYMES, ASCORBIC ACID, LCYSTEINE), EGGS, SOY FLOUR, CALCIUM PROPIONATE [PRESERVATIVE], SOY LECITHIN), COOKED EGG PATTY (WHOLE EGGS, NON-FAT MILK, MODIFIED FOOD STARCH, SALT, XANTHAN GUM, CITRIC ACID, PEPPER), COOKED SAUSAGE PATTY (PORK, WATER, SALT, SPICES, SPICE EXTRACTIVES, SODIUM PHOPHATE, SUGAR, CARAMEL COLOR, BHT, CITRIC ACID, PROPYL GALLATE.), PASTEURIZED PROCESS CHEDDAR CHEESE (CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES), WATER, SODIUM CITRATE, MILKFAT, SALT, SODIUM PHOSPHATE, SORBIC ACID [PRESERVATIVE], APOCAROTENOL [COLOR], SOY LECITHIN).