Brown sausage, onions & garlic in large skillet over med-high heat.
In a large stock pot add butter, tomato paste, crushed tomatoes, chicken stock, browned ground sausage & spinach.
Bring to a boil- stirring frequently - Add seasonings to taste.
Continue to boil 5-10 minutes for flavors to marry
In another stockpot cook your ditalini to package directions & drain
Reduce heat on soup & slowly add in half & half - stir well
Bring soup to a simmer- Do Not Boil. Simmer about 5 minutes
Add in cooked ditalini
Serve with croutons & cheese for garnish