The number of calories in garlic bread can vary widely. However, on average, here’s what to expect: Serving Size Calories (Approx.) 1 small slice (35g) 120–150 kcal 1 large slice (70g) 220–300 kcal 100 grams 350–400 kcal 1 garlic breadstick 130–180 kcal 1 frozen store-bought slice 150–200 kcal 1 slice…