Beef Tenderloin without flour hearts

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 1/4 cup low-salt beef broth 1/4 cup dry red wine 1/2 teaspoon all-purpose flour 1/4 teaspoon[...]

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 2 teaspoons butter, divided 1 cup vertically sliced yellow onion 1 cup vertically sliced red[...]

1 1/2 cups boiling water 2 cups dried porcini mushrooms (about 2 ounces) 2 teaspoons butter 1/2 cup chopped shallots 3 tablespoons minced garlic 1 teaspoon[...]

Cooking spray 4 (4-ounce) beef tenderloin steaks, trimmed (1/2 inch thick) 1/2 teaspoon black pepper 1/4 teaspoon salt 1 cup presliced mushrooms 1/2 cup[...]