Which food has less impact on blood sugar?

MASHED POTATOES (WATER, POTATO FLAKES (POTATOES, VEGETABLE (PALM OIL) EMULSIFIER, SODIUM ACID PYROPHOSPHATE, SODIUM BISULFITE AND CITRIC ACID ADDED AS PRESERVATIVES), HEAVY WHIPPING CREAM (HEAVY CREAM, SKIM MILK, LESS THAN 1% EACH OF MONO AND DIGLYCERIDES, POLYSORBATE 80 AND CARRAGEENAN), MARGARINE (LIQUID AND HYDROGENATED SOYBEAN OIL, WATER, SALT, VEGETABLE MONO AND DIGLYCERIDES (SOYBEAN), SOY LECITHIN, SODIUM BENZOATE (A PRESERVATIVE), CITRIC ACID, NATURAL & ARTIFICIAL FLAVOR, CALCIUM DISODIUM EDTA ADDED TO PROTECT FLAVOR, BETA CAROTENE (COLOR), VITAMIN A PALMITATE ADDED), BUTTER BURST (WHEY, BUTTERMILK, BUTTER (CREAM, WATER, SALT), SALT, NATURAL FLAVOR, LESS THAN 2% SILICON DIOXIDE AN ANTI-CAKING AGENT), SALT), BEEF PATTY BITES ((BEEF, WATER, TEXTURED VEGETABLE PROTEIN (SOY FLOUR, CARAMEL COLORING (CONTAINS SULFITES)), SEASONED SALT (SALT, SUGAR, CHILI PEPPER, SPICE, EXTRACTIVES OF SPICES, ONION POWDER, GARLIC POWDER)), PARSLEY), PEPPER GRAVY (ENRICHED BLEACHED FLOUR [WHEAT FLOUR, NIACIN, IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], MALTODEXTRIN, MODIFIED FOOD STARCH, PALM OIL, SALT, CORN SYRUP SOLIDS, CONTAINS LESS THAN 2% OF BLACK PEPPER, SODIUM CASEINATE, WHEY PROTEIN CONCENTRATE, MONO & DIGLYCERIDES).