Which food has less impact on blood sugar?

LOW FAT FLOUR TORTILLA (UNBLEACHED WHEAT FLOUR, WATER, TOMATO POWDER, ORGANIC SOYBEAN OIL, ORGANIC SUGAR, SEA SALT, YEAST), CUCUMBERS, WATER, COOKED CHICKEN (BONELESS SKINLESS CHICKEN BREAST WITH RIB MEAT, SEA SALT, EXPELLER PRESSED CANOLA OIL, BLACK PEPPER), TOMATOES, SPINACH, RED ONIONS, BROWN RICE, FETA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES, NATAMYCIN {A NATURAL MOLD INHIBITOR}), COOKED GARBANZO BEANS (GARBANZO BEANS, WATER), SOUR CREAM (GRADE A CULTURED CREAM), ONIONS, GREEK YOGURT (CULTURED GRADE A NONFAT MILK, CONTAINS THE FOLLOWING LIVE AND ACTIVE CULTURES: S. THERMOPHILUS, L. BULGARICUS, L. ACIDOPHILUS, BIFIDUS, AND L. CASEI), CORNSTARCH, CREAM CHEESE (PASTEURIZED CULTURED MILK AND CREAM, SALT, STABILIZERS {XANTHAN GUM AND/OR CAROB BEAN AND/OR GUAR GUMS}), KEFIR CHEESE (CULTURED PASTEURIZED CREAM, MILK, NONFAT MILK, LACTOSE REDUCED NONFAT DRY MILK, ENZYME), EXPELLER PRESSED CANOLA OIL, RED BELL PEPPERS, TAHINI, CHICKEN BASE (CHICKEN MEAT INCLUDING NATURAL CHICKEN JUICES, SALT, CHICKEN FAT, EVAPORATED CANE SUGAR, DRIED WHEY, NATURAL FLAVORING AND TURMERIC), SEA SALT, EXTRA VIRGIN OLIVE OIL, LEMON JUICE, DILL, GARLIC, RED WINE VINEGAR (WATER, RED WINE VINEGAR, SULFITES. {NATURALLY OCCURRING, NONE ADDED}), CITRIC ACID, GARLIC POWDER, BLACK PEPPER.