Tomato Spinach Soup Recipe: How to Make It

Ingredients

• 2 large yellow onions, cubed
• 2 tablespoons olive oil
• 1 can (28 ounces) diced tomatoes, undrained
• 1 quart water
• 4 beef bouillon cubes
• 1 cup sliced fresh mushrooms
• 3/4 teaspoon Italian seasoning
• 1/2 teaspoon dried basil
• 1/2 teaspoon salt
• 1/8 teaspoon pepper
• 4 cups loosely packed spinach leaves
• Grated Parmesan or shredded cheddar cheese, optional