diff --git a/js/molecules/view/MoleculesScreenView.ts b/js/molecules/view/MoleculesScreenView.ts
index 9f746a0..43e3387 100644
--- a/js/molecules/view/MoleculesScreenView.ts
+++ b/js/molecules/view/MoleculesScreenView.ts
@@ -9,20 +9,20 @@
 import Dimension2 from '../../../../dot/js/Dimension2.js';
 import { combineOptions } from '../../../../phet-core/js/optionize.js';
 import Tandem from '../../../../tandem/js/Tandem.js';
-import Reaction from '../../common/model/Reaction.js';
 import RPALConstants from '../../common/RPALConstants.js';
 import BeforeAfterNode, { BeforeAfterNodeOptions } from '../../common/view/BeforeAfterNode.js';
 import MoleculesEquationNode from '../../common/view/MoleculesEquationNode.js';
 import RPALScreenView, { CreateBeforeAfterNodeFunction } from '../../common/view/RPALScreenView.js';
 import reactantsProductsAndLeftovers from '../../reactantsProductsAndLeftovers.js';
 import MoleculesModel from '../model/MoleculesModel.js';
+import { CreateEquationNodeFunction } from '../../common/view/ReactionBarNode.js';
 
 export default class MoleculesScreenView extends RPALScreenView {
 
   public constructor( model: MoleculesModel, tandem: Tandem ) {
 
     // Creates an equation for a specified reaction.
-    const createEquationNode = ( reaction: Reaction ) => new MoleculesEquationNode( reaction );
+    const createEquationNode: CreateEquationNodeFunction = reaction => new MoleculesEquationNode( reaction );
 
     // Creates the Before/After interface for a specified reaction.
     const createBeforeAfterNode: CreateBeforeAfterNodeFunction =
diff --git a/js/sandwiches/view/SandwichesScreenView.ts b/js/sandwiches/view/SandwichesScreenView.ts
index e7b4a90..43283ff 100644
--- a/js/sandwiches/view/SandwichesScreenView.ts
+++ b/js/sandwiches/view/SandwichesScreenView.ts
@@ -16,8 +16,8 @@ import ReactantsProductsAndLeftoversStrings from '../../ReactantsProductsAndLeft
 import SandwichesModel from '../model/SandwichesModel.js';
 import SandwichesEquationNode from './SandwichesEquationNode.js';
 import SandwichNode from './SandwichNode.js';
-import SandwichRecipe from '../model/SandwichRecipe.js';
 import { combineOptions } from '../../../../phet-core/js/optionize.js';
+import { CreateEquationNodeFunction } from '../../common/view/ReactionBarNode.js';
 
 export default class SandwichesScreenView extends RPALScreenView {
 
@@ -29,7 +29,9 @@ export default class SandwichesScreenView extends RPALScreenView {
     const maxSandwichSize = new Dimension2( maxSandwich.width, maxSandwich.height );
 
     // Creates an equation for a specified reaction.
-    const createEquationNode = ( reaction: SandwichRecipe ) => new SandwichesEquationNode( reaction, maxSandwichSize );
+    //TODO https://github.com/phetsims/reactants-products-and-leftovers/issues/80 TS2345: Argument of type 'Reaction' is not assignable to parameter of type 'SandwichRecipe'.
+    // @ts-expect-error
+    const createEquationNode: CreateEquationNodeFunction = reaction => new SandwichesEquationNode( reaction, maxSandwichSize );
 
     // Creates the Before/After interface for a specified reaction.
     const createBeforeAfterNode: CreateBeforeAfterNodeFunction =
@@ -44,8 +46,6 @@ export default class SandwichesScreenView extends RPALScreenView {
             boxYMargin: 8 // large enough to accommodate the biggest sandwich
           }, options ) );
 
-    //TODO https://github.com/phetsims/reactants-products-and-leftovers/issues/80 createEquationNode argument
-    // @ts-expect-error
     super( model, createEquationNode, createBeforeAfterNode, tandem );
   }
 }