Subway to test low calorie, high protein Halo Top milkshakes at 1,000 locations

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Halo Top ice cream. (Photo courtesy: Halo Top)

Struggling fast-food sandwich restaurant chain Subway is testing out something new: handspun Halo Top milkshakes.

The chain will serve the vanilla, chocolate, and strawberry milkshakes in six markets at 1,000 locations, according to Food and Wine.

The markets are:

  • Colorado Springs, Colo.
  • Hartford, Conn.
  • Longview & Tyler, Texas
  • Salt Lake City, Utah
  • Toledo, Ohio
  • West Palm Beach, Fla.

Halo Top ice cream became a smash hit after it debuted, trying to fit into the health food market.

With 17 flavors, Halo Top ice cream contains between 60-90 calories per serving (240-360 calories per pint). In comparison, a pint of Ben & Jerry’s vanilla contains 250 calories per serving, about 500-700 calories per pint.

Halo Top also adds more protein and has less fat.

The limited-time offering will be available from July 22 to September 4.