To a large mixing bowl add 1/2 cup warm water, yeast and sugar.
Proof yeast for 5 minutes until foamy.
Add remaining water, oil, flour and salt.
Stir to combine then knead via stand mixer fitted with dough hook on low speed for 5-7 minutes, or by hand until smooth and elastic. Spray dough with nonstick spray, place dough ball into clean mixing bowl and set in a warm, draft free area to rise for 30 minutes or until dough doubles in bulk.
Once dough has doubled in bulk, punch down to degas and cut into 12 equal pieces. Roll each piece into a 6” breadstick/rope shape. Arrange on half sheet pan, not touching. Spray with nonstick spray, cover with plastic wrap. Place in warm area until breadsticks double in size 30-40 minutes (or more if it is chilly).
Preheat oven to 425 degrees F.
Once breadsticks have risen, remove plastic wrap and discard.
Bake breadsticks for 8-10 minutes or until golden brown and internal temperature registers 190-200 degrees F.
Melt butter, add garlic salt and stir together. Brush onto warm breadsticks immediately.
Serve warm. Store leftovers in an airtight container. Warm leftover breadsticks in microwave 15-20 seconds to reheat.