1 cup mayonnaise
1/2 teaspoon prepared horseradish
1 tablespoon lemon juice
1 lemon, juiced
1/4 cup maraschino cherry juice
2 pounds skinless, boneless chicken breast halves (1 inch thick)
Combine mayonnaise, horseradish and lemon juice in small bowl. Seal canister and set aside.
Heat olive oil in lightly greased 2-quart casserole dish-pan. Pour mayonnaise mixture over chicken pieces and set aside. Up sides of casserole, flute and steam plum tomatoes and onions in olive oil. Pour over chicken and toss to coat. Add oysters and other vegetables. Cover, reduce heat to low, and simmer over medium heat 20 minutes.