Baked Tomatoes Florentine

1c fresh sliced tomatoes
1T finely chopped onion
1T butter
1c heavy cream
3T flour
2t instant chicken bouillon
8 slices of processed cheese
2c cubed cooked chicken breast
10 oz fresh broccoli chopped
4 LG tomatoes, tops cut off and insides scooped out

Preheat oven to 350 degrees. In a small saucepan, sautee' mushrooms and onions in butter; add broccoli and chicken and heat through. In another samll saucepan combine cream, flour, and bouillon; over low heat, cook and stir until thickened. Add cheese slices; cook until melted. Mix cheese mixture into chicken mixture. Stuff each tomatoe and arrange in a baking dish. Cover and bake for 15-20 minutes or until hot. Spoon remaining sauce over tomatoes before serving. My mom just loves this recipe ... serves 4.