Which food has less impact on blood sugar?

CRUST (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], WATER, CINNAMON SHORTENING CHIPS [PALM OIL, SUGAR, CINNAMON], SUGAR, YEAST, CORN OIL, SALT, DEACTIVATED YEAST, EXTRA VIRGIN OLIVE OIL), PINEAPPLE, CINNAMON SUGAR SAUCE (WATER, SUGAR, SOYBEAN OIL, HONEY, CORN STARCH, DISTILLED VINEGAR, CINNAMON, SALT, SODIUM BENZOATE [PRESERVATIVE], POTASSIUM SORBATE [PRESERVATIVE], CARRAGEENAN, CALCIUM DISODIUM EDTA [TO PROTECT FLAVOR]), CREAM CHEESE FROSTING DRIZZLE (WATER, CREAM CHEESE FROSTING MIX [SUGAR, CORN STARCH, CREAM SOLIDS, CREAM CHEESE {PASTEURIZED MILK AND CREAM, CHEESE CULTURE, SALT, CAROB BEAN GUM}, NONFAT MILK, BUTTERMILK POWDER, SALT, NATURAL FLAVORS, VANILLA EXTRACT, EXPELLER PRESSED CANOLA OIL {AS A PROCESSING AID}, MALTODEXTRIN, XANTHAN GUM, STARTER DISTILLATE, NOT MORE THAN 2% SILICON DIOXIDE ADDED TO PREVENT CAKING]), STREUSEL MIX (ENRICHED WHEAT FLOUR [WHEAT FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID], SUGAR, PALM OIL, VEGETABLE SHORTENING [PALM OIL, MONO- AND DIGLYCERIDES, POLYSORBATE 60], SALT, NATURAL AND ARTIFICIAL FLAVOR, YELLOW 5 LAKE [ARTIFICIAL COLOR]), SUGAR.