You should have a thick syrup that will evenly coat the spoon.

Reduce the heat to medium and cook until the sauce has become the consistency of a thick syrup, about 10 minutes.

Behind her, the forward bulkhead, like thick heavy syrup, began to spill into the room.

A brilliant violet light rises to meet her, turning into a thick sweet syrup.

It was like moving through a stream of thick syrup.

Lower heat, and simmer until mixture is a very thick syrup, about 12 minutes.

The thought came sluggishly, up through a thick syrup of fear.

Bring to the boil, then simmer until the liquid has reduced to a thick syrup.

They moved toward it, walking as if through thick syrup, the tractor boots holding them down.

We added sugar, and all through the hours it boiled down to a thick syrup.