In large pot of boiling ater cook garlic for 4 minutes until softened..with slotted spoon remove garlic,,mince it and set aside. In same pot of boiling water cook broccoli 3 minutes until bright green and slightly softened..with slotted spoon, remove broccoli from pot and set it aside.
In same pot of boiling water cook penne 8 to 10 minutes or until softened. Drain and set penne aside, and discard liquid.
In non-stick skillet with wire whisk combine milk and flour blending until flour is dissolved.Cook over medium heat stirring constantly with whisk for about 5 minutes until mixture is bubbling and thickened, stir in the garlic.
Reduce heat to low add the cheddar, parmesan,pepper and milk mixture until cheese has melted, stir in broccoli. tomatoes and penne and cook for a few minutes until heated through. happy dining, hope you like this...