How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Cheesy Alfredo Sauce With Mushrooms And Fresh Tomato?

You need 15 ingredients. The key ingredients include: 1/4 cup butter, 1 small onion, chopped, 3 large garlic cloves, finely chopped and divided (about 2 tablespoons, do not finely mince), 1 (8 ounce) package fresh sliced mushrooms, and more.

Is Cheesy Alfredo Sauce With Mushrooms And Fresh Tomato suitable as general?

Yes, Cheesy Alfredo Sauce With Mushrooms And Fresh Tomato falls under the General category and is a great choice for this type of meal.

How do I store leftover Cheesy Alfredo Sauce With Mushrooms And Fresh Tomato?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Cheesy Alfredo Sauce With Mushrooms And Fresh Tomat

Name: Cheesy Alfredo Sauce With Mushrooms And Fresh Tomato
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1/4 cup butter; 1 small onion, chopped; 3 large garlic cloves, finely chopped and divided (about 2 tablespoons, do not finely mince); 1 (8 ounce) package fresh sliced mushrooms; 1/3 cup all-purpose flour; 1/4 teaspoon crushed red pepper flakes (can use more); 1/2 teaspoon seasoning salt (or use white salt or to taste); 1/2 teaspoon dried Italian seasoning; 2 cups milk; 2 cups half-and-half cream; 3/4 cup grated parmesan cheese; 8 ounces shredded colby-monterey jack cheese; 1/3 cup sour cream (can use a little more); 2 roma tomatoes, diced (can use more); fresh ground black pepper (to taste)

Try this homemade Cheesy Alfredo Sauce With Mushrooms And Fresh Tomato recipe the whole family will love. Made with butter, onion, garlic and mushrooms.…

This Cheesy Alfredo Sauce With Mushrooms And Fresh Tomato relies on simple, everyday ingredients such as butter, small onion, chopped, all-purpose flour and dried italian seasoning. It comes together quickly and makes 4 servings, at about 1103 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 General

1103

kcal

Calories

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

Saved locally in your browser — visible only to you.

Cheesy Alfredo Sauce With Mushrooms And Fresh Tomato

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions