Toasty (adjective)

1. Warm and comfortable, as if by a fire or heater.
2. Slightly warm and cozy, or feeling pleasant and comfortable.

Origin:

From toast ("to heat bread until browned") + -y.

Examples:

1. The room was toasty warm.
2. The toasty fire in the fireplace made the room comfortable.
3. She wrapped herself in a blanket to get toasty.
4. The toasty warm bed was inviting.
5. The sun made the day feel toasty warm.