These cozy little tartlets bring together buttery puff pastry, tender mushrooms, and fresh thyme for a warm and simple appetizer. They bake up crisp on the outside with a soft, savory center, perfect for easy entertaining or a quiet night in. Enjoy them warm right from the oven.
Ingredients
- 1 tbsp butter
- 1 tbsp olive oil
- 1 small shallot, finely minced
- 8 oz cremini mushrooms, finely chopped
- 2 cloves garlic, minced
- 1 tsp fresh thyme leaves
- 1/4 tsp salt
- 1/4 tsp black pepper
- 1 tbsp all-purpose flour
- 1/4 cup vegetable broth
- 1 sheet puff pastry, thawed
- 1 egg, beaten (for egg wash)
Instructions
- Preheat oven to 400°F and line a baking sheet with parchment.
- Melt butter with oil in a skillet over medium heat, then sauté shallot until soft.
- Add mushrooms, garlic, thyme, salt, and pepper; cook until moisture evaporates.
- Sprinkle flour over the mixture and stir, then pour in broth and cook until thickened.
- Cut puff pastry into 2-inch squares and spoon a small amount of filling into the center.
- Fold edges slightly inward, brush lightly with egg wash, and place on the baking sheet.
- Bake 15-18 minutes until golden and crisp.
Tip
For extra flakiness, keep the puff pastry cold until the moment you cut and fill it.
Enjoy these warm bites and save the recipe for your next cozy gathering.

Mushroom & Thyme Tartlet Bites
- Total Time: 33 minutes
- Yield: 20 tartlet bites 1x
Description
Warm, flaky puff pastry bites filled with sautéed mushrooms, thyme, and shallots.
Ingredients
1 tbsp butter
1 tbsp olive oil
1 small shallot, finely minced
8 oz cremini mushrooms, finely chopped
2 cloves garlic, minced
1 tsp fresh thyme leaves
1/4 tsp salt
1/4 tsp black pepper
1 tbsp all-purpose flour
1/4 cup vegetable broth
1 sheet puff pastry, thawed
1 egg, beaten (for egg wash)
Instructions
1. Preheat oven to 400°F and line a baking sheet with parchment.
2. Melt butter with oil in a skillet over medium heat, then sauté shallot until soft.
3. Add mushrooms, garlic, thyme, salt, and pepper; cook until moisture evaporates.
4. Sprinkle flour over the mixture and stir, then pour in broth and cook until thickened.
5. Cut puff pastry into 2-inch squares and spoon a small amount of filling into the center.
6. Fold edges slightly inward, brush lightly with egg wash, and place on the baking sheet.
7. Bake 15-18 minutes until golden and crisp.
Notes
Keep pastry cold for maximum puff.
- Prep Time: 15 minutes
- Cook Time: 18 minutes
- Category: Appetizer
- Method: Baking
- Cuisine: American
