Read the following text to answer questions number 23 to 26.

Crispy Hash Brown Recipe

Ingredients:
3 tbsp olive oil, canola oil or grape seed oil
1 lb russel backing potatoes, peeled and grated, salt and pepper.

Method:

1. Heat 3 tbsp of oil in a large frying pan on medium heat.
2. Squeeze out as much moisture as you can from the grated potatoes. It's easier to do this with potatoes ricer. If you don't have it, you can use paper towel to squeeze it.
3. Add the grated potatoes on the hot frying pan, spread them out along the bottom of the pan. Sprinkle some salt and pepper on the potatoes. If they have been fried to golden brown, they are ready for a flip. Continue to cook until they are golden brown on the bottom. Put them on the serving plate. Serve for 4 people.

"If you don't have it, .. ." (step 2) What does the underlined word refer to?