Kacang Putih dengan Tomat dan Sosis

Bahan-bahan (4 porsi)

• 1 Tbsp olive oil ($0.32)
• 2 links Italian Sausage (about 8oz. total) ($1.99)
• 1 yellow onion ($0.32)
• 2 cloves garlic ($0.16)
• 1 28 oz . can crushed tomatoes ( $1.49)
• 1/2 tsp dried basil ($0.05)
• 1/2 tsp dried oregano ($0.05)
• 1 pinch crushed red pepper (optional) ($0.02)
• Freshly cracked black pepper ($0.03)
• 2 15 oz . cans Great Northern beans ($1.38)
• 4 oz . frozen chopped spinach (1/4 of a 1 lb. bag) ($0.40)
• Salt to taste ($0.02)