Prepare bacon per package instructions; cut into pieces around 1 inch wide.  In a medium saucepan, add 1 stick of butter and melt on medium heat.

Add the onion and garlic and saute until onion becomes translucent.  Lightly salt and pepper.

In a small bowl, whisk together milk with flour.  Add to the onion mixture.

Stir continuously until mixture begins to thicken.  Stir in the cream of mushroom soup, Worcestershire and paprika.  Add Velveeta and Colby Jack cheese. 

Stir until cheese is melted.  Salt and pepper to taste.

Add cheese mixture and cooked bacon to the green beans; stir until combined.  Add green bean mixture to a 9x13 inch baking pan.  

Add 1/4 c. of butter to a small skillet on medium heat.  Once melted add crackers, parsley and lightly pepper.  Lightly stir for a few minutes until crackers begin to lightly brown.

Add cracker mixture to the top of the green beans.  Bake at 350 degrees for 30 minutes covered.  Remove cover and bake an additional 30 minutes.