1-First step: Gather and measure all ingredients, including pasta, protein, cheese, vegetables, and seasonings, prepping vegetables and proteins for easy assembly.

2-Second step: Brown the ground meat in a skillet if using meat, or prepare plant-based protein substitutes, then set aside.

3-Third step: Combine uncooked bowtie pasta, browned meat or substitute, diced tomatoes, spinach, chicken broth, and garlic powder in the crockpot, gently mixing to combine.

4-Fourth step: Cover and cook on low for 4-6 hours or on high for 2-3 hours until pasta is tender and flavors meld.

5-Fifth step: About 15 minutes before serving, sprinkle shredded cheese on top, cover again to allow cheese to melt perfectly.

6-Final step: Serve warm, garnished with fresh herbs if desired. Adapt ingredients or timing for dietary preferences such as vegan or gluten-free ensuring optimal cooking results. The total preparation is ready in 45 minutes of active time, plus 6 hours in the slow cooker.