Which food has less impact on blood sugar?

CROISSANT (ENRICHED FLOUR [WHEAT FLOUR, MALTED BARLEY FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, MARGARINE [PALM OIL, WATER, SOYBEAN OIL, SUGAR, SOY LECITHIN, MONO- AND DIGLYCERIDES, POTASSIUM SORBATE {PRESERVATIVE), CITRIC ACID (PRESERVATIVE), NATURAL AND ARTIFICIAL FLAVORS, BETA-CAROTENE COLOR, VITAMIN A PALMITATE], HIGH FRUCTOSE CORN SYRUP, CONTAINS 2% OR LESS OF THE FOLLOWING: YEAST, SALT, WHEY, MODIFIED CORN STARCH, CALCIUM PROPIONATE [PRESERVATIVE], NATURAL & ARTIFICIAL FLAVORS [DEXTROSE, SUGAR, MALTODEXTRIN, ACACIA (GUM ARABIC), CAPRIC ACID AND CAPRYLIC ACID TRIGLYCERIDES], ASCORBIC ACID, ENZYMES), FULLY COOK SAUSAGE PATTY (PORK, WATER, CONTAINS 2% OR LESS OF THE FOLLOWING: SALT, SUGAR, SPICE, FLAVORING, BHA [PRESERVATIVE], BHT [PRESERVATIVE], CARAMEL COLOR), FULLY COOKED EGG PATTY (WHOLE EGGS, WHEY, SOYBEAN OIL, NONFAT MILK, CONTAINS 2% OR LESS OF THE FOLLOWING: FOOD STARCH-MODIFIED, SALT, XANTHAN GUM, CITRIC ACID, NATURAL BUTTER FLAVOR), PASTEURIZED PROCESS AMERICAN CHEESE (MILK, SALT, CHEESE CULTURES, ENZYMES, WATER, NONFAT DRY MILK, WHEY, CREAM, SODIUM CITRATE, SALT, SORBIC ACID [PRESERVATIVE], SUNFLOWER LECITHIN [ANTI-STICKING AGENT], APO-CAROTENAL [COLOR]).