Which food has less impact on blood sugar?

CRUST (WHEAT FLOUR, WATER, CANOLA OIL, WHEAT GERM FLOUR, SALT, SKIMMED MILK POWDER, YEAST, DEXTROSE), OLIVE OIL SAUCE (WATER, OLIVE OIL EXTRA VIRGIN, GRANA PADANO CHEESE [MILK, SALT, ANIMAL ENZYMES, EGG WHITE LYSOZYME {PRESERVATIVE}], CORN STARCH, SALT, GARLIC), ORANGE MARMALADE SAUCE (BITTER ORANGE MARMALADE [SUGAR, BITTER ORANGE, GLUCOSE-FRUCTOSE SYRUP, PECTIN, CITRIC ACID], WATER, SUGAR, PLUM MARMALADE [PLUMS, GLUCOSE-FRUCTOSE SYRUP, SUGAR, PECTIN, CITRIC ACID, SPICES], SAUTEED ONIONS [ONIONS, SUNFLOWER OIL], CORN STARCH, BALSAMIC VINEGAR [WINE VINEGAR, GRAPE MUST, CARAMEL COLOR, POTASSIUM METABISULFATE {PRESERVATIVE}, CANOLA OIL, SALT, SPICES, SMOKED PAPRIKA POWDER, ONION POWDER), ASIAGO SOFT CHEESE (PASTEURIZED MILK, SALT, CHEESE CULTURES, ENZYMES), PROVOLONE CHEESE (PASTEURIZED MILK, SALT, CHEESE CULTURES, ANIMAL ENZYMES), MOZZARELLA CHEESE MADE WITH WATER BUFFALO MILK (MILKFAT FROM PASTEURIZED WATER BUFFALO MILK AND PASTEURIZED NONFAT WATER BUFFALO MILK, SALT, ANIMAL ENZYMES), EDAM CHEESE (PASTEURIZED MILK, SALT, CHEESE CULTURES, ENZYMES), CHEDDAR CHEESE (PASTEURIZED MILK, CHEESE CULTURES, ENZYMES, ANNATTO [FOR COLOR]), LOW-MOISTURE PART-SKIM MOZZARELLA CHEESE (PASTEURIZED PART-SKIM MILK, SALT, CHEESE CULTURES, ENZYMES), OLIVE OIL EXTRA VIRGIN, PARSLEY.