---
title: Mozzarella & Mushroom Hoagies
source:
  name: HelloFresh
  url: https://www.hellofresh.com/recipes/mozzarella-mushroom-hoagies-60e5baa047bafc0131290e93
servings: 2
prep time: 10 minutes
cook time: 25 minutes
time required: 35 minutes
difficulty: Medium
allergens: [Eggs, Soy, Wheat, Milk]
tags: [Veggie, No Oven]
rating: 4.5
rating_count: 14600
source_chef: Michelle Doll Olson
review_highlights:
  - theme: Flavor
    text: Many loved the savory, meaty taste of the mushrooms, comparing it to a vegetarian cheesesteak.
  - theme: Ease of prep
    text: Some found it easy to make, while others felt it was more work or complicated than expected.
image: "https://images.recipes.furrysalamander.com/mozzarella-mushroom-hoagies.avif"
---
Adjust #oven racks{} to top and middle positions and preheat oven to 450°F. Wash and dry all produce. Prepare @yukon gold potatoes{1%unit}(cut into ½-inch-thick wedges). Prepare @yellow onion{1%unit}(halved, peeled, and thinly sliced). Prepare @long green pepper{1%unit}(halved, cored, and thinly sliced). Prepare @cremini mushrooms{8%oz}(trimmed and sliced into ¼-inch-thick pieces).

Toss potatoes on a #baking sheet{} with a large drizzle of @olive oil{2%tbsp}, half the @fry seasoning{1%packet}, salt, and pepper. Roast on top rack until golden brown and tender ~{20%minutes}.

Meanwhile, heat a large drizzle of olive oil in a #large pan{} over medium-high heat. Add onion, green pepper, and remaining fry seasoning. Cook, stirring occasionally, until softened and lightly browned ~{5%minutes}. Season with salt and pepper. Turn off heat and transfer to a plate. Wipe out pan.

While veggies cook, in a #small bowl{}, combine @mayonnaise{2%tbsp} with @dijon mustard{1%tsp}. Season with salt and pepper. Slice @demi-baguette{1%unit} lengthwise, stopping before you get all the way through. Place cut sides up on a second baking sheet. Toast on middle rack until lightly golden ~{3%minutes}.

Heat a large drizzle of olive oil in the pan used for veggies over medium-high heat. Add mushrooms and cook, stirring occasionally, until browned and crispy ~{5%minutes}. Season with half the @bold & savory steak spice{1%packet} and salt. Cook, stirring, until fragrant ~{30%seconds}. Stir in @mushroom stock concentrate{1%unit} and a splash of water. Cook until liquid has evaporated and mushrooms are saucy ~{1%minute}. Return veggies to pan.

Keeping baguettes on sheet, spread insides of baguettes with half the dijon mayo. Fill with as many mushrooms and veggies as will fit, then sprinkle with @mozzarella cheese{4%oz}. Return sheet to oven until cheese melts ~{2%minutes}. Divide hoagies and potato wedges between plates. Serve with remaining dijon mayo on the side.