- Place chicken pieces between sheets of waxed paper; pound gently and evenly until pieces are about 1/2-inch thick. Rub both sides of chicken with garlic, 1/2 teaspoon salt and pepper.
- Heat oil in large skillet over medium heat until hot. Add chicken; cook 8 minutes, or until golden brown. Turn chicken over; cook 7 to 8 minutes longer, or until chicken is no longer pink in center, lowering heat if necessary. Remove chicken; keep warm.
- Add mushrooms and chicken broth to same pan; cook 3 minutes, stirring to remove crusty bits.
- Blend flour with soymilk until smooth; stir mixture into skillet with soy sauce and remaining 1/4 teaspoon salt. Bring to boil. Reduce heat; simmer 3 minutes, or until thickened, stirring constantly.
- Serve gravy over chicken.