Creamy Shrimp and Garlic Pasta

package Marie Callender’s Family Recipes Dry Dinner Mix Parmesan Garlic Flavor

pre-cooked shrimp with tails off, thawed

milk (or part heavy cream option on package)

water.

butter, divided

sliced portobello mushrooms

small onion, diced

slices pre-cooked bacon, crumbled

fresh parsley for garnish (optional)