01Preheat oven to 350 degrees F. Line a baking sheet with parchment paper or foil. Toss tomatoes with oil, 1/4 teaspoon salt, and pepper and place cut side down on baking sheet. Bake for 30 minutes.
02In a saucepan, bring broth, remaining 1/4 teaspoon salt, and broccoli to a boil then lower to a simmer and cook for 15 minutes.
03In a different saucepan, melt butter over medium heat then add celery and onion. Sauté 5 minutes. Add flour and mix well, cooking and stirring constantly for 5 minutes. Add broth mixture to flour mixture and whisk or mix until fully blended. Add cream and cheddar and stir until cheese has melted.
04Reduce heat to low, add roasted tomatoes and simmer for 15 minutes.