In large covered pan, STEAM chicken breasts for 25-30 minutes, TURNING once; CUT into pieces and SET aside.
COOK pasta according to package directions.
STEAM broccoli florets until crispy tender (about eight minutes from cold start).
COMBINE chicken, pasta, broccoli and red pepper in large bowl; SET aside.
In small saucepan, HEAT oil to medium temp; ADD curry powder; STIR about 30 seconds.
REMOVE from heat; STIR in mayonnaise, tarragon, salt and pepper.
ADD to chicken pasta mixtur; TOSS well; CHILL until serving time.
Per Serving (excluding unknown items): 436 Calories; 25g Fat (50.3% calories from fat); 24g Protein; 31g Carbohydrate; 2g Dietary Fiber; 54mg Cholesterol; 199mg Sodium. Exchanges: 2 Grain(Starch); 2 1/2 Lean Meat; 1/2 Vegetable; 2 Fat.