Slow Cooker Creamy Tomato Soup

Ingredients (11)

• + 1 tablespoon extra-virgin olive oil add to pantry
• + 2 onions, sliced add to pantry
• + 2 cloves garlic cloves, smashed and peeled, or more to taste add to pantry
• + 2 cloves garlic cloves, smashed and peeled, or more to taste add to pantry
• + 2 (28 ounce) cans Italian-style plum tomatoes, drained add to pantry
• ✓ 4 cups vegetable broth
• + 1 (28 ounce) jar tomato sauce add to pantry
• + 6 sprigs flat-leaf parsley add to pantry
• + 1 teaspoon salt add to pantry
• + 1 teaspoon white sugar add to pantry
• + 2 cups half-and-half add to pantry