Heat oil in medium heavy skillet and saute onion 2 to 3 minutes. Add garlic, mushrooms, and shoyu. Saute about 5 minutes until onions and mushrooms are tender. Add remaining ingredients. Simmer on low for about 10 minutes. Remove from heat.
Serve on crackers, toast, as a sandwich spread, or as a party tapas dip.
Per serving - 101 calories, 3 g fat (26% calories from fat), 4 g protein, 15 g carbohydrate, 3 g fiber, 0 mg cholesterol, 169 mg sodium