Black Bean, Red Jalapeno, Mozzarella & Scallions Tamales. HEATING INSTRUCTIONS: Do not bake! Do not remove corn husks before heating! STEAM: For best result, steam thawed tamales for 10 minutes or frozen tamales for 20-25 minutes. Make sure the water level does not touch the tamales. MICROWAVE: Place tamales in a sealed plastic bag with 1/2 ounce of water. Cook thawed tamales on High for 90 seconds and frozen tamales on High for 3 to 4 minutes. Each package weighs approx. 5 lbs. Shipping cost is determined by weight and zip code. All Tamale Packages are shipped overnight (the average shipping charges for tamales is $35.00).