• Before starting, remove 3 tbsp (6 tbsp) butter from the fridge and set aside to come up to room temperature.
• Preheat the oven to 450˚F. Wash and dry all produce. 
• To a large pot, add 10 cups water and 2 tsp salt (use same for 4 servings). Cover and bring to a boil over high. 
• Heat a large non-stick pan over medium-high. When the pan is hot, add 1/2 tbsp (1 tbsp) oil, then beef. Cook for 4-5 min, breaking up beef into smaller pieces, until no pink remains.** Season with salt and pepper.
• While beef cooks, peel, then mince or grate garlic.

• To the boiling water, add spaghetti. Cook uncovered for 10-12 min, stirring occasionally, until tender.
• Reserve 1/4 cup (1/2 cup) pasta water, then drain and return spaghetti to the same pot, off heat.

• Meanwhile, to the pan with beef, add mirepoix, half the garlic and 1 tbsp (2 tbsp) butter. Cook for 2-3 min, stirring often, until mirepoix softens slightly.

• To the pan, add crushed tomatoes, cream, broth concentrate and half the balsamic glaze (use all for 4 servings). Season with salt and pepper. Bring to a boil over high.
• Once boiling, reduce heat to medium-low. Cook for 4-6 min, stirring occasionally, until sauce thickens slightly. Remove the pan from heat. Add 1 tbsp (2 tbsp) butter and spinach. Stir for 1-2 min, until spinach wilts.

• Meanwhile, in a small bowl, combine remaining garlic and 1 tbsp (2 tbsp) butter. Season with salt. (NOTE: This is your garlic butter.)
• Halve ciabatta. Arrange on an unlined baking sheet, cut-side up. Spread garlic butter over rolls. Sprinkle Parmesan on top. Bake in the middle of the oven for 2-3 min, until Parmesan melts. (TIP: Keep an eye on them so they don't burn!)

• To the pot with spaghetti, add sauce, then toss to combine. (TIP: For a lighter sauce consistency, add reserved pasta water, 1-2 tbsp at a time.)
• Divide spaghetti between plates.
• Serve cheesy garlic toasts alongside.

If you've opted to get beef, add 1/2 tbsp (1 tbsp) oil to the pan, then add beef. Cook beef in the same way the recipe instructs you to cook chicken.**