Soak fava beans in plenty of water overnight. Rinse and drain fava beans. Then, transfer HALF to your blender along with 3 to 4 cups of fresh water. Blend on high for 15 seconds. Over a large bowl or pot (prefer glass bowl to see through), strain through soy/nut milk bag until pulp is very dry. Repeat with other half of beans.

Let the milk rest for 10 minutes or longer to allow the starch to settle to the bottom of the bowl or pot. Then, use a cup to gently scoop only the milk while avoiding disturbing the starchy layer below. You will have to leave some of the milk behind as it won't be possible to get it all without starch contamination.

If necessary, transfer milk to large cooking pot. Let it warm up over medium low heat while you prepare your coagulant. Mix room temperature water with 1 tbsp calcium sulfate and keep it nearby with a spoon ready.

Turn heat up to medium high or high but stir constantly so that the milk does not burn to the bottom. When in doubt, lower the heat. Keep cooking until the milk reaches 180°F then turn off the heat. Immediately, stir up your coagulant again. Pick it up in one hand, keep stirring the milk and pour in HALF the coagulant slowly. Stand the spatula straight down to stop the spinning action. Cover and rest for 15 minutes.

Afterwards, check on how it coagulated. If it is completely curdled, save the rest of your coagulant for another day. If not, spoon the remaining coagulant over the top surface and around the sides. Tap the top gently to move the curds softly. Then cover again and turn the heat to the lowest setting. Wait 10 minutes and re-check. All the milk should be coagulated.

Moisten the cloth and line your tofu mold. With a slotted spoon, scoop the curds into the mold while holding the edges of the cloth so it doesn't fall in. Try to spread the curds in evenly. Then add the top and secure. If using my preferred tofu mold, just twist the knob until it stops; do not force it. Pour off excess water using the vents. Please in fridge to cool overnight. If using weights, use about 5 lbs of weight, pour off excess water and place in fridge. The next day, gently unmold and your high protein, soy-free tofu is ready to use!