| 1 slice whole wheat bread |
| 1 tablespoon butter |
| 1/4 cup green onions, thinly sliced |
| 2 cloves garlic, minced |
| 2 tablespoons flour |
| 2 cups milk |
| 1/2 teaspoon salt |
| 1/4 teaspoon black pepper |
| 1/3 cup grated fresh Parmesan cheese |
| 1/2 cup shredded Gouda cheese |
| 2 cups elbow macaroni, cooked |
| 4 1/2 cups chopped fresh spinach |