1Cook fettuccine in 5-quart Dutch oven as directed on package, omitting salt and oil. Drain, reserving 1/2 cup cooking water. Return fettuccine to pan; cover to keep warm. Meanwhile, cook frozen spinach as directed on box; squeeze dry.
2In 12-inch nonstick skillet, melt butter over medium-high heat. Add garlic; cook and stir 30 seconds. Add reserved cooking water and cream cheese, stirring with whisk until smooth.
3In small bowl, stir broth and flour with whisk until smooth. Add flour mixture to skillet, stirring with whisk until blended. Heat to boiling; cook 2 minutes, stirring constantly, until mixture thickens. Remove from heat. Add Romano cheese; stir until smooth. Add half-and-half, salt and pepper. Stir in spinach.
4Add spinach mixture to fettuccine in Dutch oven; toss to coat. Divide mixture among 8 bowls; sprinkle evenly with bacon.