Calciumrich Grilled Tofu

Slice tofu into 1/2-inch thick slices; place in glass baking dish.

Whisk together soy sauce, brown sugar, ketchup, horseradish, vinegar and garlic; pour over tofu, turning to coat well.

Cover and refrigerate for at least 1 hour or up to 24 hours, turning occasionally.

Place tofu on greased frill, reserving marinade.

Grill over medium-high heat, basting with marinade, for 3 minutes per side or until browned.