Which food has less impact on blood sugar?

MASHED POTATOES TOPPED WITH MARGARINE [MASHED POTATOES (WATER, POTATO FLAKES (POTATOES, VEGETABLE (PALM OIL) EMULSIFIER, SODIUM ACID PYROPHOSPHATE, CITRIC ACID, SULFITE, BHA), 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), 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)], 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)), PEPPER GRAVY (WATER, PARTIALLY HYDROGENATED SOYBEAN AND/OR COTTONSEED OIL, ENRICHED BLEACHED FLOUR (WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), MODIFIED CORN STARCH, CORN SYRUP SOLIDS, SALT, SODIUM CASEINATE (A MILK DERIVATIVE), MALTODEXTRIN, MONO AND DIGLYCERIDES, BLACK PEPPER, SODIUM CITRATE, DIPOTASSIUM PHOSPHATE, CARRAGEENAN, ARTIFICIAL FLAVOR, COLOR ADDED).